Plumb the DragOperation through all the layers between the platform DnD code ...

chrome/renderer/render_view.h

Index: chrome/renderer/render_view.h
===================================================================
--- chrome/renderer/render_view.h	(revision 25321)
+++ chrome/renderer/render_view.h	(working copy)
@@ -212,13 +212,15 @@
   virtual void DidFailLoadWithError(WebView* webview,
                                     const WebKit::WebURLError& error,
                                     WebKit::WebFrame* forFrame);
-  virtual void DidFinishDocumentLoadForFrame(WebView* webview, WebKit::WebFrame* frame);
+  virtual void DidFinishDocumentLoadForFrame(WebView* webview,
+                                             WebKit::WebFrame* frame);
   virtual bool DidLoadResourceFromMemoryCache(
       WebView* webview,
       const WebKit::WebURLRequest& request,
       const WebKit::WebURLResponse& response,
       WebKit::WebFrame* frame);
-  virtual void DidHandleOnloadEventsForFrame(WebView* webview, WebKit::WebFrame* frame);
+  virtual void DidHandleOnloadEventsForFrame(WebView* webview,
+                                             WebKit::WebFrame* frame);
   virtual void DidChangeLocationWithinPageForFrame(WebView* webview,
                                                    WebKit::WebFrame* frame,
                                                    bool is_new_navigation);
@@ -296,7 +298,9 @@
                                const std::string& security_info,
                                const std::string& frame_charset);
   virtual void StartDragging(WebView* webview,
-                             const WebKit::WebDragData& drag_data);
+                             const WebKit::WebPoint &mouseCoords,
+                             const WebKit::WebDragData& drag_data,
+                             WebKit::WebDragOperationsMask operations_mask);
 
   virtual void TakeFocus(WebView* webview, bool reverse);
   virtual void JSOutOfMemory();
@@ -459,7 +463,7 @@
   // c) function:DidFinishDocumentLoadForFrame. When this function is
   // called, that means we have got whole html page. In here we should
   // finally get right encoding of page.
-  void UpdateEncoding(WebKit::WebFrame* frame, const std::wstring& encoding_name);
+  void UpdateEncoding(WebKit::WebFrame* frame, const std::wstring& enc_name);
 
   // Captures the thumbnail and text contents for indexing for the given load
   // ID. If the view's load ID is different than the parameter, this call is
@@ -535,9 +539,11 @@
       const webkit_glue::PasswordFormDomManager::FillData& form_data);
   void OnDragTargetDragEnter(const WebDropData& drop_data,
                              const gfx::Point& client_pt,
-                             const gfx::Point& screen_pt);
+                             const gfx::Point& screen_pt,
+                             WebKit::WebDragOperationsMask operations_allowed);
   void OnDragTargetDragOver(const gfx::Point& client_pt,
-                            const gfx::Point& screen_pt);
+                            const gfx::Point& screen_pt,
+                            WebKit::WebDragOperationsMask operations_allowed);
   void OnDragTargetDragLeave();
   void OnDragTargetDrop(const gfx::Point& client_pt,
                         const gfx::Point& screen_pt);
@@ -562,7 +568,8 @@
 
   void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
                                 const gfx::Point& screen_point,
-                                bool ended, bool cancelled);
+                                bool ended,
+                                WebKit::WebDragOperation drag_operation);
   void OnDragSourceSystemDragEnded();
   void OnInstallMissingPlugin();
   void OnFileChooserResponse(const std::vector<FilePath>& file_names);