events: Update key-event handlers to not return EventResult.

ui/views/widget/root_view.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_ROOT_VIEW_H_
 #define UI_VIEWS_WIDGET_ROOT_VIEW_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 43 matching lines @@
 
   // Called when parent of the host changed.
   void NotifyNativeViewHierarchyChanged(bool attached,
                                         gfx::NativeView native_view);
 
   // Input ---------------------------------------------------------------------
 
   // Process a key event. Send the event to the focused view and up the focus
   // path, and finally to the default keyboard handler, until someone consumes
   // it. Returns whether anyone consumed the event.
-  ui::EventResult DispatchKeyEvent(const ui::KeyEvent& event);
+  void DispatchKeyEvent(ui::KeyEvent* event);
   void DispatchScrollEvent(ui::ScrollEvent* event);
   void DispatchTouchEvent(ui::TouchEvent* event);
   virtual void DispatchGestureEvent(ui::GestureEvent* event);
 
   // Focus ---------------------------------------------------------------------
 
   // Used to set the FocusTraversable parent after the view has been created
   // (typically when the hierarchy changes and this RootView is added/removed).
   virtual void SetFocusTraversableParent(FocusTraversable* focus_traversable);
 
@@ skipping 117 matching lines @@
   // Tracks drag state for a view.
   View::DragInfo drag_info_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(RootView);
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_ROOT_VIEW_H_