Switch RenderFrameHostManager to use RenderProcessHostObserver, remove NOTIFICATION_RENDERER_PROCES…

content/public/browser/notification_types.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_TYPES_H_
 #define CONTENT_PUBLIC_BROWSER_NOTIFICATION_TYPES_H_
 
 // This file describes various types used to describe and filter notifications
 // that pass through the NotificationService.
 //
@@ skipping 130 matching lines @@
 
   // Indicates that a RenderProcessHost was created and its handle is now
   // available. The source will be the RenderProcessHost that corresponds to
   // the process.
   NOTIFICATION_RENDERER_PROCESS_CREATED,
 
   // Indicates that a RenderProcessHost is destructing. The source will be the
   // RenderProcessHost that corresponds to the process.
   NOTIFICATION_RENDERER_PROCESS_TERMINATED,
 
-  // Indicates that a render process is starting to exit, such that it should
-  // not be used for future navigations.  The source will be the
-  // RenderProcessHost that corresponds to the process.
-  NOTIFICATION_RENDERER_PROCESS_CLOSING,
-
   // Indicates that a render process was closed (meaning it exited, but the
   // RenderProcessHost might be reused).  The source will be the corresponding
   // RenderProcessHost.  The details will be a RendererClosedDetails struct.
   // This may get sent along with RENDERER_PROCESS_TERMINATED.
   NOTIFICATION_RENDERER_PROCESS_CLOSED,
 
   // Indicates that a RenderWidgetHost has become unresponsive for a period of
   // time. The source will be the RenderWidgetHost that corresponds to the
   // hung view, and no details are expected.
   NOTIFICATION_RENDER_WIDGET_HOST_HANG,
@@ skipping 41 matching lines @@
   // the RenderViewHost, and the details is a DomOperationNotificationDetails.
   NOTIFICATION_DOM_OPERATION_RESPONSE,
 
   // Custom notifications used by the embedder should start from here.
   NOTIFICATION_CONTENT_END,
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_TYPES_H_