Draggable region support for frameless app window on CrOS.

ui/views/widget/native_widget_aura.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_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
 
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/activation_delegate.h"
@@ skipping 120 matching lines @@
   virtual gfx::Size GetMinimumSize() const OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) OVERRIDE;
   virtual void OnFocus(aura::Window* old_focused_window) OVERRIDE;
   virtual void OnBlur() OVERRIDE;
   virtual bool OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
   virtual bool ShouldDescendIntoChildForEventHandling(
       aura::Window* child,
-      const gfx::Point& location) OVERRIDE;
+      const gfx::Point& event_location,
+      ui::EventType event_type) OVERRIDE;
   virtual bool OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
   virtual ui::TouchStatus OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
   virtual ui::GestureStatus OnGestureEvent(
       ui::GestureEvent* event) OVERRIDE;
   virtual bool CanFocus() OVERRIDE;
   virtual void OnCaptureLost() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
   virtual void OnWindowDestroying() OVERRIDE;
   virtual void OnWindowDestroyed() OVERRIDE;
@@ skipping 52 matching lines @@
 
   scoped_ptr<DropHelper> drop_helper_;
   int last_drop_operation_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_