[content shell] Use the TestRunner library again and remove the mock testRunner

content/shell/shell_content_renderer_client.h

Index: content/shell/shell_content_renderer_client.h
diff --git a/content/shell/shell_content_renderer_client.h b/content/shell/shell_content_renderer_client.h
index 849ec333d20af31faca2fdcd6c5e2dd90766dd92..dc096c5e013e977434f009941ffb0155930c8107 100644
--- a/content/shell/shell_content_renderer_client.h
+++ b/content/shell/shell_content_renderer_client.h
@@ -15,6 +15,10 @@ class WebPlugin;
 struct WebPluginParams;
 }
 
+namespace WebTestRunner {
+class WebTestProxyBase;
+}
+
 namespace content {
 
 class ShellRenderProcessObserver;
@@ -24,7 +28,6 @@ class ShellContentRendererClient : public ContentRendererClient {
   ShellContentRendererClient();
   virtual ~ShellContentRendererClient();
   virtual void RenderThreadStarted() OVERRIDE;
-  virtual void RenderViewCreated(RenderView* render_view) OVERRIDE;
   virtual bool OverrideCreatePlugin(
       RenderView* render_view,
       WebKit::WebFrame* frame,
@@ -32,6 +35,9 @@ class ShellContentRendererClient : public ContentRendererClient {
       WebKit::WebPlugin** plugin) OVERRIDE;
 
  private:
+   void WebTestProxyCreated(RenderView* render_view,
+                            WebTestRunner::WebTestProxyBase* proxy);
+
   scoped_ptr<ShellRenderProcessObserver> shell_observer_;
 };