Add tracing of all memory allocated in all contexts

gpu/command_buffer/service/buffer_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
+#include "gpu/command_buffer/service/memory_tracking.h"
 
 namespace gpu {
 namespace gles2 {
 
-BufferManager::BufferManager()
-    : allow_buffers_on_multiple_targets_(false),
+BufferManager::BufferManager(MemoryTracker* memory_tracker)
+    : buffer_memory_tracker_(new MemoryTypeTracker(
+        memory_tracker,
+        "BufferManager",
+        "BufferMemory")),
+      allow_buffers_on_multiple_targets_(false),
       mem_represented_(0),
-      last_reported_mem_represented_(1),
       buffer_info_count_(0),
       have_context_(true) {
   UpdateMemRepresented();
 }
 
 BufferManager::~BufferManager() {
   DCHECK(buffer_infos_.empty());
   CHECK_EQ(buffer_info_count_, 0u);
 }
 
 void BufferManager::Destroy(bool have_context) {
   have_context_ = have_context;
   buffer_infos_.clear();
   DCHECK_EQ(0u, mem_represented_);
   UpdateMemRepresented();
 }
 
 void BufferManager::UpdateMemRepresented() {
-  if (mem_represented_ != last_reported_mem_represented_) {
-    last_reported_mem_represented_ = mem_represented_;
-    TRACE_COUNTER_ID1(
-        "BufferManager", "BufferMemory", this, mem_represented_);
-  }
+  buffer_memory_tracker_->UpdateMemRepresented(mem_represented_);
 }
 
 void BufferManager::CreateBufferInfo(GLuint client_id, GLuint service_id) {
   BufferInfo::Ref buffer(new BufferInfo(this, service_id));
   std::pair<BufferInfoMap::iterator, bool> result =
       buffer_infos_.insert(std::make_pair(client_id, buffer));
   DCHECK(result.second);
 }
 
 BufferManager::BufferInfo* BufferManager::GetBufferInfo(
@@ skipping 186 matching lines @@
   if (info->target() == 0) {
     info->set_target(target);
   }
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu