gpu: Reduce of BrowserGpuChannelHostFactory.

content/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.cc

 // Copyright 2015 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/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
-#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
+#include "content/browser/browser_main_loop.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
+#include "gpu/ipc/client/gpu_channel_host.h"
 #include "media/base/media_switches.h"
 #include "media/base/video_frame.h"
 #include "media/gpu/ipc/client/gpu_jpeg_decode_accelerator_host.h"
 #include "mojo/public/cpp/system/platform_handle.h"
 
 namespace content {
 
 VideoCaptureGpuJpegDecoder::VideoCaptureGpuJpegDecoder(
     DecodeDoneCB decode_done_cb,
     base::Callback<void(const std::string&)> send_log_message_cb)
@@ skipping 211 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   // TODO(c.padhi): Implement this, see http://crbug.com/699255.
   NOTIMPLEMENTED();
 }
 
 // static
 void VideoCaptureGpuJpegDecoder::EstablishGpuChannelOnUIThread(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     base::WeakPtr<VideoCaptureGpuJpegDecoder> weak_this) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(BrowserGpuChannelHostFactory::instance());
 
-  BrowserGpuChannelHostFactory::instance()->EstablishGpuChannel(
-      base::Bind(&VideoCaptureGpuJpegDecoder::GpuChannelEstablishedOnUIThread,
-                 task_runner, weak_this));
+  BrowserMainLoop::GetInstance()
+      ->gpu_channel_establish_factory()
+      ->EstablishGpuChannel(base::Bind(
+          &VideoCaptureGpuJpegDecoder::GpuChannelEstablishedOnUIThread,
+          task_runner, weak_this));
 }
 
 // static
 void VideoCaptureGpuJpegDecoder::GpuChannelEstablishedOnUIThread(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     base::WeakPtr<VideoCaptureGpuJpegDecoder> weak_this,
     scoped_refptr<gpu::GpuChannelHost> gpu_channel_host) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   task_runner->PostTask(
       FROM_HERE, base::Bind(&VideoCaptureGpuJpegDecoder::FinishInitialization,
                             weak_this, std::move(gpu_channel_host)));
 }
 
 void VideoCaptureGpuJpegDecoder::FinishInitialization(
     scoped_refptr<gpu::GpuChannelHost> gpu_channel_host) {
   TRACE_EVENT0("gpu", "VideoCaptureGpuJpegDecoder::FinishInitialization");
   DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   base::AutoLock lock(lock_);
   if (!gpu_channel_host) {
     LOG(ERROR) << "Failed to establish GPU channel for JPEG decoder";
   } else if (gpu_channel_host->gpu_info().jpeg_decode_accelerator_supported) {
     gpu_channel_host_ = std::move(gpu_channel_host);
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner =
-        BrowserGpuChannelHostFactory::instance()->GetIOThreadTaskRunner();
+        BrowserThread::GetTaskRunnerForThread(BrowserThread::IO);
 
     int32_t route_id = gpu_channel_host_->GenerateRouteID();
     std::unique_ptr<media::GpuJpegDecodeAcceleratorHost> decoder(
         new media::GpuJpegDecodeAcceleratorHost(gpu_channel_host_.get(),
                                                 route_id, io_task_runner));
     if (decoder->Initialize(this)) {
       gpu_channel_host_->AddRouteWithTaskRunner(
           route_id, decoder->GetReceiver(), io_task_runner);
       decoder_ = std::move(decoder);
     } else {
       DLOG(ERROR) << "Failed to initialize JPEG decoder";
     }
   }
   decoder_status_ = decoder_ ? INIT_PASSED : FAILED;
   RecordInitDecodeUMA_Locked();
 }
 
 bool VideoCaptureGpuJpegDecoder::IsDecoding_Locked() const {
   lock_.AssertAcquired();
   return !decode_done_closure_.is_null();
 }
 
 void VideoCaptureGpuJpegDecoder::RecordInitDecodeUMA_Locked() {
   UMA_HISTOGRAM_BOOLEAN("Media.VideoCaptureGpuJpegDecoder.InitDecodeSuccess",
                         decoder_status_ == INIT_PASSED);
 }
 
 }  // namespace content