Makes it possible to run content_browsertests with --as-browser and fake WebRTC devices.

content/browser/browser_main_loop.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/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/hi_res_timer_manager.h"
@@ skipping 206 matching lines @@
 
 // static
 media::AudioManager* BrowserMainLoop::GetAudioManager() {
   return g_current_browser_main_loop->audio_manager_.get();
 }
 
 // static
 media_stream::MediaStreamManager* BrowserMainLoop::GetMediaStreamManager() {
   return g_current_browser_main_loop->media_stream_manager_.get();
 }
+
+// static
+void BrowserMainLoop::UseFakeMediaStreamDevice() {
+  // Configure the manager once it gets created.
+  BrowserMainLoop::use_fake_media_stream_device_ = true;

[jam, 2012/09/04 15:18:14]

nit: BrowserMainLoop:: is unnecessary

[phoglund_chromium, 2012/09/05 11:43:54]

Done.

+}
+
+bool BrowserMainLoop::use_fake_media_stream_device_ = false;
+
 // BrowserMainLoop construction / destruction =============================
 
 BrowserMainLoop::BrowserMainLoop(const content::MainFunctionParams& parameters)
     : parameters_(parameters),
       parsed_command_line_(parameters.command_line),
-      result_code_(content::RESULT_CODE_NORMAL_EXIT) {
+      result_code_(content::RESULT_CODE_NORMAL_EXIT){
   DCHECK(!g_current_browser_main_loop);
   g_current_browser_main_loop = this;
 }
 
 BrowserMainLoop::~BrowserMainLoop() {
   DCHECK_EQ(this, g_current_browser_main_loop);
   g_current_browser_main_loop = NULL;
 }
 
 void BrowserMainLoop::Init() {
@@ skipping 218 matching lines @@
 
   // If the UI thread blocks, the whole UI is unresponsive.
   // Do not allow disk IO from the UI thread.
   base::ThreadRestrictions::SetIOAllowed(false);
   base::ThreadRestrictions::DisallowWaiting();
 }
 
 void BrowserMainLoop::RunMainMessageLoopParts() {
   TRACE_EVENT_BEGIN_ETW("BrowserMain:MESSAGE_LOOP", 0, "");
 
+  if (use_fake_media_stream_device_)

[jam, 2012/09/04 15:18:14]

actually, it seems that this static better belongs in MediaStreamManager?

[phoglund_chromium, 2012/09/05 11:43:54]

Good point, I'll move it.

+    media_stream_manager_->UseFakeDevice();
+
   bool ran_main_loop = false;
   if (parts_.get())
     ran_main_loop = parts_->MainMessageLoopRun(&result_code_);
 
   if (!ran_main_loop)
     MainMessageLoopRun();
 
   TRACE_EVENT_END_ETW("BrowserMain:MESSAGE_LOOP", 0, "");
 }
 
@@ skipping 215 matching lines @@
   DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
   if (parameters_.ui_task)
     MessageLoopForUI::current()->PostTask(FROM_HERE, *parameters_.ui_task);
 
   base::RunLoop run_loop;
   run_loop.Run();
 #endif
 }
 
 }  // namespace content