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

content/browser/renderer_host/media/audio_input_renderer_host.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/audio_input_renderer_host.h"
 
 #include "base/bind.h"
 #include "base/memory/shared_memory.h"
 #include "base/metrics/histogram.h"
 #include "base/process/process.h"
@@ skipping 158 matching lines @@
 void AudioInputRendererHost::DoSendRecordingMessage(
     media::AudioInputController* controller) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // TODO(henrika): See crbug.com/115262 for details on why this method
   // should be implemented.
 }
 
 void AudioInputRendererHost::DoHandleError(
     media::AudioInputController* controller) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  MediaStreamManager::SendMessageToNativeLog(
+      "The AudioInputController signalled an error.");
 
   AudioEntry* entry = LookupByController(controller);
   if (!entry)
     return;
 
   audio_log_->OnError(entry->stream_id);
   DeleteEntryOnError(entry);
 }
 
 bool AudioInputRendererHost::OnMessageReceived(const IPC::Message& message,
@@ skipping 114 matching lines @@
   // Set the initial AGC state for the audio input stream. Note that, the AGC
   // is only supported in AUDIO_PCM_LOW_LATENCY mode.
   if (config.params.format() == media::AudioParameters::AUDIO_PCM_LOW_LATENCY)
     entry->controller->SetAutomaticGainControl(config.automatic_gain_control);
 
   // Since the controller was created successfully, create an entry and add it
   // to the map.
   entry->stream_id = stream_id;
   audio_entries_.insert(std::make_pair(stream_id, entry.release()));
 
+  MediaStreamManager::SendMessageToNativeLog(
+      "Audio input stream created successfully.");
   audio_log_->OnCreated(stream_id, audio_params, device_id, std::string());
 }
 
 void AudioInputRendererHost::OnRecordStream(int stream_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   AudioEntry* entry = LookupById(stream_id);
   if (!entry) {
     SendErrorMessage(stream_id);
     return;
@@ skipping 19 matching lines @@
   if (!entry) {
     SendErrorMessage(stream_id);
     return;
   }
 
   entry->controller->SetVolume(volume);
   audio_log_->OnSetVolume(stream_id, volume);
 }
 
 void AudioInputRendererHost::SendErrorMessage(int stream_id) {
+  MediaStreamManager::SendMessageToNativeLog(
+      "An error occurred in AudioInputRendererHost.");
   Send(new AudioInputMsg_NotifyStreamStateChanged(
       stream_id, media::AudioInputIPCDelegate::kError));
 }
 
 void AudioInputRendererHost::DeleteEntries() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   for (AudioEntryMap::iterator i = audio_entries_.begin();
        i != audio_entries_.end(); ++i) {
     CloseAndDeleteStream(i->second);
@@ skipping 48 matching lines @@
   // TODO(hclam): Implement a faster look up method.
   for (AudioEntryMap::iterator i = audio_entries_.begin();
        i != audio_entries_.end(); ++i) {
     if (controller == i->second->controller.get())
       return i->second;
   }
   return NULL;
 }
 
 }  // namespace content