Introduce RenderProcessHostObserver, use it in its first client.

content/public/test/mock_render_process_host.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_TEST_MOCK_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
+#include "base/observer_list.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_factory.h"
 #include "ipc/ipc_test_sink.h"
 
 class StoragePartition;
 class TransportDIB;
 
 namespace content {
 
 class MockRenderProcessHostFactory;
@@ skipping 11 matching lines @@
 
   // Provides test access to how many times a bad message has been received.
   int bad_msg_count() const { return bad_msg_count_; }
 
   // RenderProcessHost implementation (public portion).
   virtual void EnableSendQueue() OVERRIDE;
   virtual bool Init() OVERRIDE;
   virtual int GetNextRoutingID() OVERRIDE;
   virtual void AddRoute(int32 routing_id, IPC::Listener* listener) OVERRIDE;
   virtual void RemoveRoute(int32 routing_id) OVERRIDE;
+  virtual void AddObserver(RenderProcessHostObserver* observer) OVERRIDE;
+  virtual void RemoveObserver(RenderProcessHostObserver* observer) OVERRIDE;
   virtual bool WaitForBackingStoreMsg(int render_widget_id,
                                       const base::TimeDelta& max_delay,
                                       IPC::Message* msg) OVERRIDE;
   virtual void ReceivedBadMessage() OVERRIDE;
   virtual void WidgetRestored() OVERRIDE;
   virtual void WidgetHidden() OVERRIDE;
   virtual int VisibleWidgetCount() const OVERRIDE;
   virtual bool IsGuest() const OVERRIDE;
   virtual StoragePartition* GetStoragePartition() const OVERRIDE;
   virtual void AddWord(const string16& word);
@@ skipping 38 matching lines @@
   int GetActiveViewCount();
 
  private:
   // Stores IPC messages that would have been sent to the renderer.
   IPC::TestSink sink_;
   TransportDIB* transport_dib_;
   int bad_msg_count_;
   const MockRenderProcessHostFactory* factory_;
   int id_;
   BrowserContext* browser_context_;
+  ObserverList<RenderProcessHostObserver> observers_;
 
   IDMap<RenderWidgetHost> render_widget_hosts_;
   int prev_routing_id_;
   IDMap<IPC::Listener> listeners_;
   bool fast_shutdown_started_;
+  bool deletion_callback_called_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHost);
 };
 
 class MockRenderProcessHostFactory : public RenderProcessHostFactory {
  public:
   MockRenderProcessHostFactory();
   virtual ~MockRenderProcessHostFactory();
 
   virtual RenderProcessHost* CreateRenderProcessHost(
@@ skipping 10 matching lines @@
   // for deleting all MockRenderProcessHosts that have not deleted by a test in
   // the destructor and prevent them from being leaked.
   mutable ScopedVector<MockRenderProcessHost> processes_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_