Fix non camelCase member variables

Android Framework C++ Code Style Guidelines says that member variables
should be camelCase: http://go/droidcppstyle.

Test: m, mma in frameworks/native
Bug: 68273829
Change-Id: I859b916244f1e2ca2ba35c0a6e816b6250cd71ce
diff --git a/services/bufferhub/BufferNode.cpp b/services/bufferhub/BufferNode.cpp
index 5106390..dfa2de0 100644
--- a/services/bufferhub/BufferNode.cpp
+++ b/services/bufferhub/BufferNode.cpp
@@ -14,17 +14,16 @@
 void BufferNode::InitializeMetadata() {
     // Using placement new here to reuse shared memory instead of new allocation
     // Initialize the atomic variables to zero.
-    BufferHubDefs::MetadataHeader* metadata_header = metadata_.metadata_header();
-    buffer_state_ = new (&metadata_header->buffer_state) std::atomic<uint32_t>(0);
-    fence_state_ = new (&metadata_header->fence_state) std::atomic<uint32_t>(0);
-    active_clients_bit_mask_ =
-            new (&metadata_header->active_clients_bit_mask) std::atomic<uint32_t>(0);
+    BufferHubDefs::MetadataHeader* metadataHeader = mMetadata.metadata_header();
+    mBufferState = new (&metadataHeader->buffer_state) std::atomic<uint32_t>(0);
+    mFenceState = new (&metadataHeader->fence_state) std::atomic<uint32_t>(0);
+    mActiveClientsBitMask = new (&metadataHeader->active_clients_bit_mask) std::atomic<uint32_t>(0);
     // The C++ standard recommends (but does not require) that lock-free atomic operations are
     // also address-free, that is, suitable for communication between processes using shared
     // memory.
-    LOG_ALWAYS_FATAL_IF(!std::atomic_is_lock_free(buffer_state_) ||
-                                !std::atomic_is_lock_free(fence_state_) ||
-                                !std::atomic_is_lock_free(active_clients_bit_mask_),
+    LOG_ALWAYS_FATAL_IF(!std::atomic_is_lock_free(mBufferState) ||
+                                !std::atomic_is_lock_free(mFenceState) ||
+                                !std::atomic_is_lock_free(mActiveClientsBitMask),
                         "Atomic variables in ashmen are not lock free.");
 }
 
@@ -38,25 +37,25 @@
     // hardcoded service name "bufferhub".
     int ret = GraphicBufferAllocator::get().allocate(width, height, format, layer_count, usage,
                                                      const_cast<const native_handle_t**>(
-                                                             &buffer_handle_),
+                                                             &mBufferHandle),
                                                      &out_stride,
                                                      /*graphicBufferId=*/0,
                                                      /*requestor=*/"bufferhub");
 
-    if (ret != OK || buffer_handle_ == nullptr) {
+    if (ret != OK || mBufferHandle == nullptr) {
         ALOGE("%s: Failed to allocate buffer: %s", __FUNCTION__, strerror(-ret));
         return;
     }
 
-    buffer_desc_.width = width;
-    buffer_desc_.height = height;
-    buffer_desc_.layers = layer_count;
-    buffer_desc_.format = format;
-    buffer_desc_.usage = usage;
-    buffer_desc_.stride = out_stride;
+    mBufferDesc.width = width;
+    mBufferDesc.height = height;
+    mBufferDesc.layers = layer_count;
+    mBufferDesc.format = format;
+    mBufferDesc.usage = usage;
+    mBufferDesc.stride = out_stride;
 
-    metadata_ = BufferHubMetadata::Create(user_metadata_size);
-    if (!metadata_.IsValid()) {
+    mMetadata = BufferHubMetadata::Create(user_metadata_size);
+    if (!mMetadata.IsValid()) {
         ALOGE("%s: Failed to allocate metadata.", __FUNCTION__);
         return;
     }
@@ -65,8 +64,8 @@
 
 BufferNode::~BufferNode() {
     // Free the handle
-    if (buffer_handle_ != nullptr) {
-        status_t ret = GraphicBufferAllocator::get().free(buffer_handle_);
+    if (mBufferHandle != nullptr) {
+        status_t ret = GraphicBufferAllocator::get().free(mBufferHandle);
         if (ret != OK) {
             ALOGE("%s: Failed to free handle; Got error: %d", __FUNCTION__, ret);
         }
@@ -79,32 +78,32 @@
 }
 
 uint32_t BufferNode::GetActiveClientsBitMask() const {
-    return active_clients_bit_mask_->load(std::memory_order_acquire);
+    return mActiveClientsBitMask->load(std::memory_order_acquire);
 }
 
 uint32_t BufferNode::AddNewActiveClientsBitToMask() {
-    uint32_t current_active_clients_bit_mask = GetActiveClientsBitMask();
+    uint32_t currentActiveClientsBitMask = GetActiveClientsBitMask();
     uint32_t client_state_mask = 0U;
-    uint32_t updated_active_clients_bit_mask = 0U;
+    uint32_t updatedActiveClientsBitMask = 0U;
     do {
         client_state_mask =
-                BufferHubDefs::FindNextAvailableClientStateMask(current_active_clients_bit_mask);
+                BufferHubDefs::FindNextAvailableClientStateMask(currentActiveClientsBitMask);
         if (client_state_mask == 0U) {
             ALOGE("%s: reached the maximum number of channels per buffer node: %d.", __FUNCTION__,
                   BufferHubDefs::kMaxNumberOfClients);
             errno = E2BIG;
             return 0U;
         }
-        updated_active_clients_bit_mask = current_active_clients_bit_mask | client_state_mask;
-    } while (!(active_clients_bit_mask_->compare_exchange_weak(current_active_clients_bit_mask,
-                                                               updated_active_clients_bit_mask,
-                                                               std::memory_order_acq_rel,
-                                                               std::memory_order_acquire)));
+        updatedActiveClientsBitMask = currentActiveClientsBitMask | client_state_mask;
+    } while (!(mActiveClientsBitMask->compare_exchange_weak(currentActiveClientsBitMask,
+                                                            updatedActiveClientsBitMask,
+                                                            std::memory_order_acq_rel,
+                                                            std::memory_order_acquire)));
     return client_state_mask;
 }
 
 void BufferNode::RemoveClientsBitFromMask(const uint32_t& value) {
-    active_clients_bit_mask_->fetch_and(~value);
+    mActiveClientsBitMask->fetch_and(~value);
 }
 
 } // namespace implementation