Add IPCs to check web copy/cut/paste for extensions with the appropriate permission bit.

chrome/browser/renderer_host/render_view_host.h

Index: chrome/browser/renderer_host/render_view_host.h
diff --git a/chrome/browser/renderer_host/render_view_host.h b/chrome/browser/renderer_host/render_view_host.h
index 7ab3bd75e02b002930bf34f404f7d1277667cd7a..1d39ebef0f008ae102e9ebcc6104fbf77982222f 100644
--- a/chrome/browser/renderer_host/render_view_host.h
+++ b/chrome/browser/renderer_host/render_view_host.h
@@ -599,6 +599,8 @@ class RenderViewHost : public RenderWidgetHost {
   void OnMsgShowModalHTMLDialog(const GURL& url, int width, int height,
                                 const std::string& json_arguments,
                                 IPC::Message* reply_msg);
+  void OnIsCopyCutEnabled(bool* enabled);
+  void OnIsPasteEnabled(bool* enabled);
   void OnMsgStartDragging(const WebDropData& drop_data,
                           WebKit::WebDragOperationsMask operations_allowed,
                           const SkBitmap& image,