Extract WebFrameClient implementation out of WebTestProxyBase.

content/shell/renderer/layout_test/layout_test_content_renderer_client.h

Index: content/shell/renderer/layout_test/layout_test_content_renderer_client.h
diff --git a/content/shell/renderer/layout_test/layout_test_content_renderer_client.h b/content/shell/renderer/layout_test/layout_test_content_renderer_client.h
index 6eb2b8f960b77a0e28012549dc783747db86092c..574802438add4835d6f092091d997797eda62fa7 100644
--- a/content/shell/renderer/layout_test/layout_test_content_renderer_client.h
+++ b/content/shell/renderer/layout_test/layout_test_content_renderer_client.h
@@ -5,24 +5,9 @@
 #ifndef CONTENT_SHELL_RENDERER_LAYOUT_TEST_LAYOUT_TEST_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_SHELL_RENDERER_LAYOUT_TEST_LAYOUT_TEST_CONTENT_RENDERER_CLIENT_H_
 
-#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/shell/renderer/shell_content_renderer_client.h"
 
-namespace blink {
-class WebFrame;
-class WebPlugin;
-struct WebPluginParams;
-}
-
-namespace web_cache {
-class WebCacheRenderProcessObserver;
-}
-
-namespace test_runner {
-class WebTestProxyBase;
-}
-
 namespace content {
 
 class LayoutTestRenderProcessObserver;
@@ -52,9 +37,6 @@ class LayoutTestContentRendererClient : public ShellContentRendererClient {
       override;
 
  private:
-  void WebTestProxyCreated(RenderView* render_view,
-                           test_runner::WebTestProxyBase* proxy);
-
   scoped_ptr<LayoutTestRenderProcessObserver> shell_observer_;
   scoped_ptr<MockWebClipboardImpl> clipboard_;
 };