First shot at implementing drag&drop for Aura

ui/aura/test/test_desktop_delegate.h

 // Copyright (c) 2011 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 UI_AURA_TEST_TEST_DESKTOP_DELEGATE_H_
 #define UI_AURA_TEST_TEST_DESKTOP_DELEGATE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 13 matching lines @@
   // static Desktop object.
   TestDesktopDelegate();
   virtual ~TestDesktopDelegate();
 
   Window* default_container() { return default_container_.get(); }
 
  private:
   // Overridden from DesktopDelegate:
   virtual void AddChildToDefaultParent(Window* window) OVERRIDE;
   virtual Window* GetTopmostWindowToActivate(Window* ignore) const OVERRIDE;
+  virtual DragDropController* GetDragDropController() const OVERRIDE {

[Ben Goodger (Google), 2011/11/07 20:33:36]

Can you move this to the .cc like the other methods here?

[varunjain, 2011/11/08 21:59:35]

Done.

+    return NULL;
+  }
 
   scoped_ptr<ToplevelWindowContainer> default_container_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDesktopDelegate);
 };
 
 }  // namespace test
 }  // namespace aura
 
 #endif  // UI_AURA_TEST_TEST_DESKTOP_DELEGATE_H_