Basic DragImage implementation....

chrome/renderer/render_view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 84 matching lines @@
 }
 
 namespace WebKit {
 class WebGeolocationServiceInterfaceChromium;
 }
 
 namespace WebKit {
 class WebAccessibilityCache;
 class WebDataSource;
 class WebDragData;
+class WebImage;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebStorageNamespace;
 class WebURLRequest;
 struct WebFileChooserParams;
 struct WebFindOptions;
+struct WebPoint;
 }
 
 // We need to prevent a page from trying to create infinite popups. It is not
 // as simple as keeping a count of the number of immediate children
 // popups. Having an html file that window.open()s itself would create
 // an unlimited chain of RenderViews who only have one RenderView child.
 //
 // Therefore, each new top level RenderView creates a new counter and shares it
 // with all its children and grandchildren popup RenderViews created with
 // createView() to have a sort of global limit for the page so no more than
@@ skipping 120 matching lines @@
   virtual bool runModalBeforeUnloadDialog(
       WebKit::WebFrame* frame, const WebKit::WebString& message);
   virtual void showContextMenu(
       WebKit::WebFrame* frame, const WebKit::WebContextMenuData& data);
   virtual void setStatusText(const WebKit::WebString& text);
   virtual void setMouseOverURL(const WebKit::WebURL& url);
   virtual void setKeyboardFocusURL(const WebKit::WebURL& url);
   virtual void setToolTipText(
       const WebKit::WebString& text, WebKit::WebTextDirection hint);
   virtual void startDragging(
-      const WebKit::WebPoint& from, const WebKit::WebDragData& data,
+      const WebKit::WebDragData& data,
       WebKit::WebDragOperationsMask mask);
+  virtual void startDragging(
+      const WebKit::WebDragData& data,
+      WebKit::WebDragOperationsMask mask,
+      const WebKit::WebImage& image,
+      const WebKit::WebPoint& imageOffset);
   virtual bool acceptsLoadDrops();
   virtual void focusNext();
   virtual void focusPrevious();
   virtual void navigateBackForwardSoon(int offset);
   virtual int historyBackListCount();
   virtual int historyForwardListCount();
   virtual void didAddHistoryItem();
   virtual void focusAccessibilityObject(
       const WebKit::WebAccessibilityObject& acc_obj);
   virtual void didChangeAccessibilityObjectState(
@@ skipping 901 matching lines @@
 
   // The geolocation dispatcher attached to this view, lazily initialized.
   scoped_ptr<GeolocationDispatcher> geolocation_dispatcher_;
 
   RendererWebCookieJarImpl cookie_jar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_