Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/renderer_host/media/video_capture_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 "content/browser/renderer_host/media/video_capture_manager.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
-#include "base/location.h"
 #include "base/logging.h"
+#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
-#include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/task_runner_util.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/browser/media/capture/web_contents_video_capture_device.h"
 #include "content/browser/media/media_internals.h"
 #include "content/browser/renderer_host/media/video_capture_controller.h"
 #include "content/browser/renderer_host/media/video_capture_controller_event_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/desktop_media_id.h"
 #include "content/public/common/media_stream_request.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/video/capture/video_capture_device.h"
@@ skipping 190 matching lines @@
 
   DCHECK(sessions_.find(capture_session_id) == sessions_.end());
   DVLOG(1) << "VideoCaptureManager::Open, id " << capture_session_id;
 
   // We just save the stream info for processing later.
   sessions_[capture_session_id] = device_info.device;
 
   // Notify our listener asynchronously; this ensures that we return
   // |capture_session_id| to the caller of this function before using that same
   // id in a listener event.
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&VideoCaptureManager::OnOpened, this,
-                            device_info.device.type, capture_session_id));
+  base::MessageLoop::current()->PostTask(FROM_HERE,
+      base::Bind(&VideoCaptureManager::OnOpened, this,
+                 device_info.device.type, capture_session_id));
   return capture_session_id;
 }
 
 void VideoCaptureManager::Close(int capture_session_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(listener_);
   DVLOG(1) << "VideoCaptureManager::Close, id " << capture_session_id;
 
   SessionMap::iterator session_it = sessions_.find(capture_session_id);
   if (session_it == sessions_.end()) {
     NOTREACHED();
     return;
   }
 
   DeviceEntry* const existing_device = GetDeviceEntryForMediaStreamDevice(
       session_it->second);
   if (existing_device) {
     // Remove any client that is still using the session. This is safe to call
     // even if there are no clients using the session.
     existing_device->video_capture_controller()
         ->StopSession(capture_session_id);
 
     // StopSession() may have removed the last client, so we might need to
     // close the device.
     DestroyDeviceEntryIfNoClients(existing_device);
   }
 
   // Notify listeners asynchronously, and forget the session.
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&VideoCaptureManager::OnClosed, this,
-                            session_it->second.type, capture_session_id));
+  base::MessageLoop::current()->PostTask(FROM_HERE,
+      base::Bind(&VideoCaptureManager::OnClosed, this, session_it->second.type,
+                 capture_session_id));
   sessions_.erase(session_it);
 }
 
 void VideoCaptureManager::QueueStartDevice(
     media::VideoCaptureSessionId session_id,
     DeviceEntry* entry,
     const media::VideoCaptureParams& params) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   device_start_queue_.push_back(
       CaptureDeviceStartRequest(entry->serial_id, session_id, params));
@@ skipping 586 matching lines @@
   DCHECK(IsOnDeviceThread());
 #if defined(ENABLE_SCREEN_CAPTURE)
   DesktopCaptureDevice* desktop_device =
       static_cast<DesktopCaptureDevice*>(device);
   desktop_device->SetNotificationWindowId(window_id);
   VLOG(2) << "Screen capture notification window passed on device thread.";
 #endif
 }
 
 }  // namespace content