Move DropTargetEvent back to ui/base for the time being as it depends on OSExchangeData which I don…

ui/events/event.h

 // Copyright (c) 2012 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_EVENTS_EVENT_H_
 #define UI_EVENTS_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
 #include "base/logging.h"
 #include "base/time/time.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/gestures/gesture_types.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/point.h"
 
 namespace gfx {
 class Transform;
 }
 
@@ skipping 568 matching lines @@
   TranslatedKeyEvent(bool is_press, KeyboardCode key_code, int flags);
 
   // Changes the type() of the object from ET_TRANSLATED_KEY_* to ET_KEY_* so
   // that RenderWidgetHostViewAura and NativeWidgetAura could handle the event.
   void ConvertToKeyEvent();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TranslatedKeyEvent);
 };
 
-class EVENTS_EXPORT DropTargetEvent : public LocatedEvent {
- public:
-  DropTargetEvent(const OSExchangeData& data,
-                  const gfx::Point& location,
-                  const gfx::Point& root_location,
-                  int source_operations);
-
-  const OSExchangeData& data() const { return data_; }
-  int source_operations() const { return source_operations_; }
-
- private:
-  // Data associated with the drag/drop session.
-  const OSExchangeData& data_;
-
-  // Bitmask of supported DragDropTypes::DragOperation by the source.
-  int source_operations_;
-
-  DISALLOW_COPY_AND_ASSIGN(DropTargetEvent);
-};
-
 class EVENTS_EXPORT ScrollEvent : public MouseEvent {
  public:
   explicit ScrollEvent(const base::NativeEvent& native_event);
   template <class T>
   ScrollEvent(const ScrollEvent& model,
               T* source,
               T* target)
       : MouseEvent(model, source, target),
         x_offset_(model.x_offset_),
         y_offset_(model.y_offset_),
@@ skipping 77 matching lines @@
   // The set of indices of ones in the binary representation of
   // touch_ids_bitfield_ is the set of touch_ids associate with this gesture.
   // This value is stored as a bitfield because the number of touch ids varies,
   // but we currently don't need more than 32 touches at a time.
   const unsigned int touch_ids_bitfield_;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_EVENT_H_