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diff --git a/chrome/browser/web_drop_target.h b/chrome/browser/web_drop_target.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CHROME_BROWSER_WEB_DROP_TARGET_H__
+#define CHROME_BROWSER_WEB_DROP_TARGET_H__
+
+#include "base/base_drop_target.h"
+#include "base/scoped_ptr.h"
+
+class InterstitialDropTarget;
+class WebContents;
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// WebDropTarget
+//
+//  A helper object that provides drop capabilities to a WebContents. The
+//  DropTarget handles drags that enter the region of the WebContents by
+//  passing on the events to the renderer.
+//
+class WebDropTarget : public BaseDropTarget {
+ public:
+  // Create a new WebDropTarget associating it with the given HWND and
+  // WebContents.
+  WebDropTarget(HWND source_hwnd, WebContents* contents);
+  virtual ~WebDropTarget();
+
+  void set_is_drop_target(bool is_drop_target) {
+    is_drop_target_ = is_drop_target;
+  }
+
+ protected:
+  virtual DWORD OnDragEnter(IDataObject* data_object,
+                            DWORD key_state,
+                            POINT cursor_position,
+                            DWORD effect);
+
+  virtual DWORD OnDragOver(IDataObject* data_object,
+                           DWORD key_state,
+                           POINT cursor_position,
+                           DWORD effect);
+
+  virtual void OnDragLeave(IDataObject* data_object);
+
+  virtual DWORD OnDrop(IDataObject* data_object,
+                       DWORD key_state,
+                       POINT cursor_position,
+                       DWORD effect);
+
+ private:
+  // Our associated WebContents.
+  WebContents* web_contents_;
+
+  // A special drop target handler for when we try to d&d while an interstitial
+  // page is showing.
+  scoped_ptr<InterstitialDropTarget> interstitial_drop_target_;
+
+  // 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_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(WebDropTarget);
+};
+
+#endif  // #ifndef CHROME_BROWSER_WEB_DROP_TARGET_H__