Hook up HTML5 effectAllowed and dragEffect on Windows.

chrome/browser/tab_contents/web_drop_target_win.h

 // Copyright (c) 2006-2008 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_BROWSER_TAB_CONTENTS_WEB_DROP_TARGET_WIN_H_
 #define CHROME_BROWSER_TAB_CONTENTS_WEB_DROP_TARGET_WIN_H_
 
 #include "base/base_drop_target.h"
 #include "base/scoped_ptr.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebDragOperation.h"
 
 class InterstitialDropTarget;
 class RenderViewHost;
 class TabContents;
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // WebDropTarget
 //
 //  A helper object that provides drop capabilities to a TabContents. The
 //  DropTarget handles drags that enter the region of the TabContents by
 //  passing on the events to the renderer.
 //
 class WebDropTarget : public BaseDropTarget {
  public:
   // Create a new WebDropTarget associating it with the given HWND and
   // TabContents.
   WebDropTarget(HWND source_hwnd, TabContents* contents);
   virtual ~WebDropTarget();
 
-  void set_is_drop_target(bool is_drop_target) {
-    is_drop_target_ = is_drop_target;
+  void set_drag_cursor(WebKit::WebDragOperation op) {
+    drag_cursor_ = op;
   }
 
  protected:
   virtual DWORD OnDragEnter(IDataObject* data_object,
                             DWORD key_state,
                             POINT cursor_position,
                             DWORD effect);
 
   virtual DWORD OnDragOver(IDataObject* data_object,
                            DWORD key_state,
@@ skipping 12 matching lines @@
   TabContents* tab_contents_;
 
   // We keep track of the render view host we're dragging over.  If it changes
   // during a drag, we need to re-send the DragEnter message.  WARNING:
   // this pointer should never be dereferenced.  We only use it for comparing
   // pointers.
   RenderViewHost* current_rvh_;
 
   // Used to determine what cursor we should display when dragging over web
   // content area.  This can be updated async during a drag operation.
-  bool is_drop_target_;
+  WebKit::WebDragOperation drag_cursor_;
 
   // A special drop target handler for when we try to d&d while an interstitial
   // page is showing.
   scoped_ptr<InterstitialDropTarget> interstitial_drop_target_;
 
   DISALLOW_EVIL_CONSTRUCTORS(WebDropTarget);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_WEB_DROP_TARGET_WIN_H_