Revert of Refactor content/common/gpu into gpu/ipc/service

content/common/gpu/gpu_memory_tracking.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 "content/common/gpu/gpu_memory_tracking.h"
+
+#include "content/common/gpu/gpu_memory_manager.h"
+
+namespace content {
+
+GpuMemoryTrackingGroup::GpuMemoryTrackingGroup(
+    base::ProcessId pid,
+    gpu::gles2::MemoryTracker* memory_tracker,
+    GpuMemoryManager* memory_manager)
+    : pid_(pid),
+      size_(0),
+      hibernated_(false),
+      memory_tracker_(memory_tracker),
+      memory_manager_(memory_manager) {
+}
+
+GpuMemoryTrackingGroup::~GpuMemoryTrackingGroup() {
+  memory_manager_->OnDestroyTrackingGroup(this);
+}
+
+void GpuMemoryTrackingGroup::TrackMemoryAllocatedChange(uint64_t old_size,
+                                                        uint64_t new_size) {
+  memory_manager_->TrackMemoryAllocatedChange(
+      this, old_size, new_size);
+}
+
+bool GpuMemoryTrackingGroup::EnsureGPUMemoryAvailable(uint64_t size_needed) {
+  return memory_manager_->EnsureGPUMemoryAvailable(size_needed);
+}
+
+
+}  // namespace content