libgui: tidy up CpuConsumer

Remove unnecessary freeBufferLocked and destructor.

Test: libgui_test
Change-Id: Ifc81f72a2f9c0deca97294f6b2977bd150430f7c
diff --git a/libs/gui/CpuConsumer.cpp b/libs/gui/CpuConsumer.cpp
index 5bda5f8..baf6f7d 100644
--- a/libs/gui/CpuConsumer.cpp
+++ b/libs/gui/CpuConsumer.cpp
@@ -18,10 +18,11 @@
 #define LOG_TAG "CpuConsumer"
 //#define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
-#include <utils/Log.h>
-#include <gui/BufferItem.h>
 #include <gui/CpuConsumer.h>
 
+#include <gui/BufferItem.h>
+#include <utils/Log.h>
+
 #define CC_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
 //#define CC_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
 //#define CC_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__)
@@ -43,12 +44,6 @@
     mConsumer->setMaxAcquiredBufferCount(static_cast<int32_t>(maxLockedBuffers));
 }
 
-CpuConsumer::~CpuConsumer() {
-    // ConsumerBase destructor does all the work.
-}
-
-
-
 void CpuConsumer::setName(const String8& name) {
     Mutex::Autolock _l(mMutex);
     if (mAbandoned) {
@@ -242,8 +237,4 @@
     return OK;
 }
 
-void CpuConsumer::freeBufferLocked(int slotIndex) {
-    ConsumerBase::freeBufferLocked(slotIndex);
-}
-
 } // namespace android