touch: Return an enum from OnTouchEvent.

views/widget/root_view.h

 // Copyright (c) 2010 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 VIEWS_WIDGET_ROOT_VIEW_H_
 #define VIEWS_WIDGET_ROOT_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 80 matching lines @@
   void NotifyLocaleChanged();
 
   // The following event methods are overridden to propagate event to the
   // control tree
   virtual bool OnMousePressed(const MouseEvent& e);
   virtual bool OnMouseDragged(const MouseEvent& e);
   virtual void OnMouseReleased(const MouseEvent& e, bool canceled);
   virtual void OnMouseMoved(const MouseEvent& e);
   virtual void SetMouseHandler(View* new_mouse_handler);
 #if defined(TOUCH_UI)
-  virtual bool OnTouchEvent(const TouchEvent& e);
+  virtual TouchStatus OnTouchEvent(const TouchEvent& e);
 #endif
 
   // Invoked By the Widget if the mouse drag is interrupted by
   // the system. Invokes OnMouseReleased with a value of true for canceled.
   void ProcessMouseDragCanceled();
 
   // Invoked by the Widget instance when the mouse moves outside of the Widget
   // bounds.
   virtual void ProcessOnMouseExited();
 
@@ skipping 238 matching lines @@
 
 #ifndef NDEBUG
   // True if we're currently processing paint.
   bool is_processing_paint_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(RootView);
 };
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_ROOT_VIEW_H_