Switch RenderFrameHostManager to use RenderProcessHostObserver, remove NOTIFICATION_RENDERER_PROCES…

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 2202 matching lines @@
 void RenderProcessHostImpl::OnShutdownRequest() {
   // Don't shut down if there are active RenderViews, or if there are pending
   // RenderViews being swapped back in.
   // In single process mode, we never shutdown the renderer.
   int num_active_views = GetActiveViewCount();
   if (pending_views_ || num_active_views > 0 || run_renderer_in_process())
     return;
 
   // Notify any contents that might have swapped out renderers from this
   // process. They should not attempt to swap them back in.
-  NotificationService::current()->Notify(
-      NOTIFICATION_RENDERER_PROCESS_CLOSING,
-      Source<RenderProcessHost>(this),
-      NotificationService::NoDetails());
+  FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
+                    RenderProcessWillExit(this));
 
   mojo_application_host_->WillDestroySoon();
 
   Send(new ChildProcessMsg_Shutdown());
 }
 
 void RenderProcessHostImpl::SuddenTerminationChanged(bool enabled) {
   SetSuddenTerminationAllowed(enabled);
 }
 
@@ skipping 273 matching lines @@
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() {
   return bluetooth_dispatcher_host_.get();
 }
 
 }  // namespace content