Factor out the test web contents from the WebContents unit test so that it ca...

chrome/browser/renderer_host/mock_render_process_host.h

Index: chrome/browser/renderer_host/mock_render_process_host.h
===================================================================
--- chrome/browser/renderer_host/mock_render_process_host.h	(revision 8331)
+++ chrome/browser/renderer_host/mock_render_process_host.h	(working copy)
@@ -44,13 +44,19 @@
   virtual void OnChannelConnected(int32 peer_pid);
 
  private:
-  // RenderProcessHost implementation (protected portion).
-  virtual void Unregister();
-
   // Stores IPC messages that would have been sent to the renderer.
   IPC::TestSink sink_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHost);
 };
 
+class MockRenderProcessHostFactory : public RenderProcessHostFactory {
+ public:
+  virtual ~MockRenderProcessHostFactory() {}
+  virtual RenderProcessHost* CreateRenderProcessHost(
+      Profile* profile) const {
+    return new MockRenderProcessHost(profile);
+  }
+};
+
 #endif  // CHROME_BROWSER_RENDERER_HOST_MOCK_RENDER_PROCESS_HOST_H_