Switch stream creation and closing in Chrome audio rendering from IPC to Mojo

content/public/test/mock_render_process_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/public/test/mock_render_process_host.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/process_handle.h"
 #include "base/time/time.h"
 #include "content/browser/child_process_security_policy_impl.h"
+#include "content/browser/renderer_host/media/audio_renderer_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
@@ skipping 310 matching lines @@
 
 bool MockRenderProcessHost::OnMessageReceived(const IPC::Message& msg) {
   IPC::Listener* listener = listeners_.Lookup(msg.routing_id());
   if (listener)
     return listener->OnMessageReceived(msg);
   return false;
 }
 
 void MockRenderProcessHost::OnChannelConnected(int32_t peer_pid) {}
 
+scoped_refptr<AudioRendererHost> MockRenderProcessHost::audio_renderer_host()
+    const {
+  return scoped_refptr<AudioRendererHost>(nullptr);
+};
+
 MockRenderProcessHostFactory::MockRenderProcessHostFactory() {}
 
 MockRenderProcessHostFactory::~MockRenderProcessHostFactory() {
   // Detach this object from MockRenderProcesses to prevent STLDeleteElements()
   // from calling MockRenderProcessHostFactory::Remove().
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     (*it)->SetFactory(NULL);
   }
 }
@@ skipping 13 matching lines @@
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     if (*it == host) {
       processes_.weak_erase(it);
       break;
     }
   }
 }
 
 }  // namespace content