Replace more ObserverList with base::ObserverList.

content/browser/renderer_host/render_process_host_impl.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_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 394 matching lines @@
 
   // The globally-unique identifier for this RPH.
   int id_;
 
   BrowserContext* browser_context_;
 
   // Owned by |browser_context_|.
   StoragePartitionImpl* storage_partition_impl_;
 
   // The observers watching our lifetime.
-  ObserverList<RenderProcessHostObserver> observers_;
+  base::ObserverList<RenderProcessHostObserver> observers_;
 
   // True if the process can be shut down suddenly.  If this is true, then we're
   // sure that all the RenderViews in the process can be shutdown suddenly.  If
   // it's false, then specific RenderViews might still be allowed to be shutdown
   // suddenly by checking their SuddenTerminationAllowed() flag.  This can occur
   // if one WebContents has an unload event listener but another WebContents in
   // the same process doesn't.
   bool sudden_termination_allowed_;
 
   // Set to true if we shouldn't send input events.  We actually do the
@@ skipping 76 matching lines @@
   bool subscribe_uniform_enabled_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_