Sync ui/events to chromium @ https://codereview.chromium.org/1210203002

services/window_manager/view_target.h

 // Copyright 2014 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 SERVICES_WINDOW_MANAGER_VIEW_TARGET_H_
 #define SERVICES_WINDOW_MANAGER_VIEW_TARGET_H_
 
 #include "ui/events/event_target.h"
 
 namespace gfx {
@@ skipping 37 matching lines @@
                                    const ViewTarget* target,
                                    gfx::Point* point);
 
   mojo::View* view() { return view_; }
 
   // TODO(erg): Make this const once we've removed aura from the tree and it's
   // feasible to change all callers of the EventTargeter interface to pass and
   // accept const objects. (When that gets done, re-const the
   // EventTargetIterator::GetNextTarget and EventTarget::GetChildIterator
   // interfaces.)
-  std::vector<ViewTarget*> GetChildren();
+  std::vector<ViewTarget*> GetChildren() const;
 
   const ViewTarget* GetParent() const;
   gfx::Rect GetBounds() const;
   bool HasParent() const;
   bool IsVisible() const;
 
   const ViewTarget* GetRoot() const;
 
   // Sets a new ViewTargeter for the view, and returns the previous
   // ViewTargeter.
   scoped_ptr<ViewTargeter> SetEventTargeter(scoped_ptr<ViewTargeter> targeter);
 
   // Overridden from ui::EventTarget:
   bool CanAcceptEvent(const ui::Event& event) override;
   EventTarget* GetParentTarget() override;
-  scoped_ptr<ui::EventTargetIterator> GetChildIterator() override;
+  scoped_ptr<ui::EventTargetIterator> GetChildIterator() const override;
   ui::EventTargeter* GetEventTargeter() override;
   void ConvertEventToTarget(ui::EventTarget* target,
                             ui::LocatedEvent* event) override;
 
  private:
   friend class TestView;
   explicit ViewTarget(mojo::View* view_to_wrap);
 
   bool ConvertPointForAncestor(const ViewTarget* ancestor,
                                gfx::Point* point) const;
   bool ConvertPointFromAncestor(const ViewTarget* ancestor,
                                 gfx::Point* point) const;
   bool GetTargetOffsetRelativeTo(const ViewTarget* ancestor,
                                  gfx::Vector2d* offset) const;
 
   // The mojo::View that we dispatch to.
   mojo::View* view_;
 
   scoped_ptr<ViewTargeter> targeter_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewTarget);
 };
 
 }  // namespace window_manager
 
 #endif  // SERVICES_WINDOW_MANAGER_VIEW_TARGET_H_