content: Remove gpu memory buffer manager from ChildThreadImpl.

content/renderer/media/renderer_gpu_video_accelerator_factories.cc

 // Copyright 2013 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/renderer/media/renderer_gpu_video_accelerator_factories.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 
 #include "base/bind.h"
@@ skipping 60 matching lines @@
     : main_thread_task_runner_(main_thread_task_runner),
       task_runner_(task_runner),
       gpu_channel_host_(std::move(gpu_channel_host)),
       context_provider_refptr_(context_provider),
       context_provider_(context_provider.get()),
       enable_gpu_memory_buffer_video_frames_(
           enable_gpu_memory_buffer_video_frames),
       image_texture_targets_(image_texture_targets),
       video_accelerator_enabled_(enable_video_accelerator),
       gpu_memory_buffer_manager_(
-          ChildThreadImpl::current()->gpu_memory_buffer_manager()),
+          RenderThreadImpl::current()->GetGpuMemoryBufferManager()),
       thread_safe_sender_(ChildThreadImpl::current()->thread_safe_sender()) {
   DCHECK(main_thread_task_runner_);
   DCHECK(gpu_channel_host_);
 }
 
 RendererGpuVideoAcceleratorFactories::~RendererGpuVideoAcceleratorFactories() {}
 
 bool RendererGpuVideoAcceleratorFactories::CheckContextLost() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (context_provider_) {
@@ skipping 224 matching lines @@
   context_provider_refptr_ = nullptr;
 }
 
 scoped_refptr<ContextProviderCommandBuffer>
 RendererGpuVideoAcceleratorFactories::ContextProviderMainThread() {
   DCHECK(main_thread_task_runner_->BelongsToCurrentThread());
   return context_provider_refptr_;
 }
 
 }  // namespace content