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

ui/views/widget/widget.cc

 // 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.
 
 #include "ui/views/widget/widget.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/events/event.h"
@@ skipping 1093 matching lines @@
   if (native_widget_initialized_)
   GetRootView()->Paint(canvas);
 }
 
 int Widget::GetNonClientComponent(const gfx::Point& point) {
   return non_client_view_ ?
       non_client_view_->NonClientHitTest(point) :
       HTNOWHERE;
 }
 
-bool Widget::OnKeyEvent(const ui::KeyEvent& event) {
-  ScopedEvent scoped(this, event);
-  return static_cast<internal::RootView*>(GetRootView())->
-      DispatchKeyEvent(event) != ui::ER_UNHANDLED;
+void Widget::OnKeyEvent(ui::KeyEvent* event) {
+  ScopedEvent scoped(this, *event);
+  static_cast<internal::RootView*>(GetRootView())->
+      DispatchKeyEvent(event);
 }
 
 bool Widget::OnMouseEvent(const ui::MouseEvent& event) {
   ScopedEvent scoped(this, event);
   switch (event.type()) {
     case ui::ET_MOUSE_PRESSED:
       last_mouse_event_was_move_ = false;
       // Make sure we're still visible before we attempt capture as the mouse
       // press processing may have made the window hide (as happens with menus).
       if (GetRootView()->OnMousePressed(event) && IsVisible()) {
@@ skipping 258 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views