diff --git a/services/surfaceflinger/ActivePictureUpdater.cpp b/services/surfaceflinger/ActivePictureTracker.cpp
similarity index 90%
rename from services/surfaceflinger/ActivePictureUpdater.cpp
rename to services/surfaceflinger/ActivePictureTracker.cpp
index 210e948..0319408 100644
--- a/services/surfaceflinger/ActivePictureUpdater.cpp
+++ b/services/surfaceflinger/ActivePictureTracker.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "ActivePictureUpdater.h"
+#include "ActivePictureTracker.h"
 
 #include <algorithm>
 
@@ -23,7 +23,7 @@
 
 namespace android {
 
-void ActivePictureUpdater::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
+void ActivePictureTracker::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
                                            const CompositionResult& result) {
     if (result.wasPictureProfileCommitted) {
         gui::ActivePicture picture;
@@ -39,7 +39,7 @@
     }
 }
 
-bool ActivePictureUpdater::updateAndHasChanged() {
+bool ActivePictureTracker::updateAndHasChanged() {
     bool hasChanged = true;
     if (mNewActivePictures.size() == mOldActivePictures.size()) {
         auto compare = [](const gui::ActivePicture& lhs, const gui::ActivePicture& rhs) -> int {
@@ -59,7 +59,7 @@
     return hasChanged;
 }
 
-const std::vector<gui::ActivePicture>& ActivePictureUpdater::getActivePictures() const {
+const std::vector<gui::ActivePicture>& ActivePictureTracker::getActivePictures() const {
     return mOldActivePictures;
 }
 
diff --git a/services/surfaceflinger/ActivePictureUpdater.h b/services/surfaceflinger/ActivePictureTracker.h
similarity index 97%
rename from services/surfaceflinger/ActivePictureUpdater.h
rename to services/surfaceflinger/ActivePictureTracker.h
index 20779bb..95a698b 100644
--- a/services/surfaceflinger/ActivePictureUpdater.h
+++ b/services/surfaceflinger/ActivePictureTracker.h
@@ -27,7 +27,7 @@
 struct CompositionResult;
 
 // Keeps track of active pictures - layers that are undergoing picture processing.
-class ActivePictureUpdater {
+class ActivePictureTracker {
 public:
     // Called for each visible layer when SurfaceFlinger finishes composing.
     void onLayerComposed(const Layer& layer, const LayerFE& layerFE,
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 59b1917..1498fff 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -126,7 +126,7 @@
 #include <gui/SchedulingPolicy.h>
 #include <gui/SyncScreenCaptureListener.h>
 #include <ui/DisplayIdentification.h>
-#include "ActivePictureUpdater.h"
+#include "ActivePictureTracker.h"
 #include "BackgroundExecutor.h"
 #include "Client.h"
 #include "ClientCache.h"
@@ -2911,7 +2911,7 @@
             layer->setWasClientComposed(compositionResult.lastClientCompositionFence);
         }
         if (com_android_graphics_libgui_flags_apply_picture_profiles()) {
-            mActivePictureUpdater.onLayerComposed(*layer, *layerFE, compositionResult);
+            mActivePictureTracker.onLayerComposed(*layer, *layerFE, compositionResult);
         }
     }
 
@@ -3314,10 +3314,10 @@
     if (com_android_graphics_libgui_flags_apply_picture_profiles()) {
         // Track, update and notify changes to active pictures - layers that are undergoing picture
         // processing
-        if (mActivePictureUpdater.updateAndHasChanged() || haveNewActivePictureListener) {
+        if (mActivePictureTracker.updateAndHasChanged() || haveNewActivePictureListener) {
             if (activePictureListener) {
                 activePictureListener->onActivePicturesChanged(
-                        mActivePictureUpdater.getActivePictures());
+                        mActivePictureTracker.getActivePictures());
             }
         }
     }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 1e2c087..b16ea08 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -69,7 +69,7 @@
 #include <ui/FenceResult.h>
 
 #include <common/FlagManager.h>
-#include "ActivePictureUpdater.h"
+#include "ActivePictureTracker.h"
 #include "BackgroundExecutor.h"
 #include "Display/DisplayModeController.h"
 #include "Display/PhysicalDisplay.h"
@@ -1404,7 +1404,7 @@
 
     sp<gui::IActivePictureListener> mActivePictureListener GUARDED_BY(mStateLock);
     bool mHaveNewActivePictureListener GUARDED_BY(mStateLock);
-    ActivePictureUpdater mActivePictureUpdater GUARDED_BY(kMainThreadContext);
+    ActivePictureTracker mActivePictureTracker GUARDED_BY(kMainThreadContext);
 
     std::atomic<ui::Transform::RotationFlags> mActiveDisplayTransformHint;
 
diff --git a/services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp b/services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp
similarity index 69%
rename from services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp
rename to services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp
index b926d2f..ff9a456 100644
--- a/services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp
@@ -24,7 +24,7 @@
 #include <mock/MockLayer.h>
 #include <renderengine/mock/RenderEngine.h>
 
-#include "ActivePictureUpdater.h"
+#include "ActivePictureTracker.h"
 #include "LayerFE.h"
 #include "TestableSurfaceFlinger.h"
 
@@ -48,7 +48,7 @@
     LayerSnapshot& snapshot;
 };
 
-class ActivePictureUpdaterTest : public testing::Test {
+class ActivePictureTrackerTest : public testing::Test {
 protected:
     SurfaceFlinger* flinger() {
         if (!mFlingerSetup) {
@@ -84,113 +84,113 @@
     *os << activePicture.toString();
 }
 
-TEST_F(ActivePictureUpdaterTest, notCalledWithNoProfile) {
+TEST_F(ActivePictureTrackerTest, notCalledWithNoProfile) {
     sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE;
     EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_FALSE(updater.updateAndHasChanged());
+        ASSERT_FALSE(tracker.updateAndHasChanged());
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerStartsUsingProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenLayerStartsUsingProfile) {
     sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE;
     EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_FALSE(updater.updateAndHasChanged());
+        ASSERT_FALSE(tracker.updateAndHasChanged());
     }
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, notCalledWhenLayerContinuesUsingProfile) {
+TEST_F(ActivePictureTrackerTest, notCalledWhenLayerContinuesUsingProfile) {
     sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE;
     EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_FALSE(updater.updateAndHasChanged());
+        ASSERT_FALSE(tracker.updateAndHasChanged());
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerStopsUsingProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenLayerStopsUsingProfile) {
     sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE;
     EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({}));
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerChangesProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenLayerChangesProfile) {
     sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE;
     EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
     {
         layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(2);
         layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 2}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 2}}));
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, notCalledWhenUncommittedLayerChangesProfile) {
+TEST_F(ActivePictureTrackerTest, notCalledWhenUncommittedLayerChangesProfile) {
     sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE1;
     EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
@@ -199,31 +199,31 @@
     TestableLayerFE layerFE2;
     EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(20)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_FALSE(updater.updateAndHasChanged());
+        ASSERT_FALSE(tracker.updateAndHasChanged());
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenDifferentLayerUsesSameProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenDifferentLayerUsesSameProfile) {
     sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE1;
     EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
@@ -232,36 +232,36 @@
     TestableLayerFE layerFE2;
     EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(20)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
         layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(),
                     UnorderedElementsAre({{100, 10, 1}, {200, 20, 2}}));
     }
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(),
                     UnorderedElementsAre({{100, 10, 2}, {200, 20, 1}}));
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenSameUidUsesSameProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenSameUidUsesSameProfile) {
     sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE1;
     EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
@@ -270,48 +270,48 @@
     TestableLayerFE layerFE2;
     EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
         layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(),
                     UnorderedElementsAre({{100, 10, 1}, {200, 10, 2}}));
     }
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(),
                     UnorderedElementsAre({{100, 10, 2}, {200, 10, 1}}));
     }
 }
 
-TEST_F(ActivePictureUpdaterTest, calledWhenNewLayerUsesSameProfile) {
+TEST_F(ActivePictureTrackerTest, calledWhenNewLayerUsesSameProfile) {
     sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
     TestableLayerFE layerFE1;
     EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
 
-    ActivePictureUpdater updater;
+    ActivePictureTracker tracker;
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
     }
 
     sp<NiceMock<MockLayer>> layer2 = sp<NiceMock<MockLayer>>::make(flinger(), 200);
@@ -321,14 +321,14 @@
     {
         layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
 
         layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
         layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
 
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
+        ASSERT_TRUE(tracker.updateAndHasChanged());
+        EXPECT_THAT(tracker.getActivePictures(),
                     UnorderedElementsAre({{100, 10, 1}, {200, 10, 1}}));
     }
 }