Split Mac WebDropTarget into two, content and chrome.

chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h

Index: chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h
diff --git a/chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h b/chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h
index ed06be650b0714e8cccfc4a91d1b9f7d3d7b0ec7..43525880e2477cbd6c24b2e4ef90b069e9800810 100644
--- a/chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h
+++ b/chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h
@@ -19,7 +19,7 @@ class WebDragBookmarkHandlerGtk : public content::WebDragDestDelegate {
   WebDragBookmarkHandlerGtk();
   virtual ~WebDragBookmarkHandlerGtk();
 
-  // Overridden from WebDragBookmarkDelegate:
+  // Overridden from content::WebDragDestDelegate:
   virtual void DragInitialize(TabContents* contents) OVERRIDE;
   virtual GdkAtom GetBookmarkTargetAtom() const OVERRIDE;
   virtual void OnReceiveDataFromGtk(GtkSelectionData* data) OVERRIDE;
@@ -39,6 +39,8 @@ class WebDragBookmarkHandlerGtk : public content::WebDragDestDelegate {
   // The bookmark data for the current tab. This will be empty if there is not
   // a native bookmark drag (or we haven't gotten the data from the source yet).
   BookmarkNodeData bookmark_drag_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebDragBookmarkHandlerGtk);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_GTK_H_