Change the view mode when switching between moles and toolstrips, and

chrome/renderer/render_view.h

Index: chrome/renderer/render_view.h
diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index b2b71a95013c510cad4cc061e14d97b266b14415..753ce12efba83ff88850af38b66032283e166eab 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -421,6 +421,8 @@ class RenderView : public RenderWidget,
                            const std::string& response,
                            const std::string& error);
 
+  void OnSetExtensionViewMode(const std::string& mode);
+
   const WebPreferences& webkit_preferences() const {
     return webkit_preferences_;
   }
@@ -716,6 +718,9 @@ class RenderView : public RenderWidget,
   void UpdateFontRenderingFromRendererPrefs() { }
 #endif
 
+  // Inject toolstrip CSS for extension moles and toolstrips.
+  void InjectToolstripCSS();
+
   // Initializes the document_tag_ member if necessary.
   void EnsureDocumentTag();