Reland CL to implement browser-side logging to WebRtc log.

content/browser/renderer_host/media/desktop_capture_device_aura.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/browser/renderer_host/media/desktop_capture_device_aura.h"
 
 #include "base/logging.h"
 #include "base/timer/timer.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
@@ skipping 387 matching lines @@
   // Post task to update capture size on UI thread.
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
       &DesktopVideoCaptureMachine::UpdateCaptureSize, AsWeakPtr()));
 }
 
 void DesktopVideoCaptureMachine::OnWindowDestroyed(aura::Window* window) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   Stop(base::Bind(&base::DoNothing));
 
-  oracle_proxy_->ReportError();
+  oracle_proxy_->ReportError("OnWindowDestroyed()");
 }
 
 void DesktopVideoCaptureMachine::OnCompositingEnded(
     ui::Compositor* compositor) {
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
       &DesktopVideoCaptureMachine::Capture, AsWeakPtr(), true));
 }
 
 }  // namespace
 
@@ skipping 17 matching lines @@
     scoped_ptr<Client> client) {
   DVLOG(1) << "Allocating " << params.requested_format.frame_size.ToString();
   impl_->AllocateAndStart(params, client.Pass());
 }
 
 void DesktopCaptureDeviceAura::StopAndDeAllocate() {
   impl_->StopAndDeAllocate();
 }
 
 }  // namespace content