Sets request_focus_on_press to false for message_center_buttons.

ui/message_center/views/message_view.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/message_center/views/message_view.h"
 
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/simple_menu_model.h"
@@ skipping 59 matching lines @@
 
  private:
   gfx::Insets padding_;
 
   DISALLOW_COPY_AND_ASSIGN(ControlButton);
 };
 
 ControlButton::ControlButton(views::ButtonListener* listener)
   : views::ImageButton(listener) {
   set_focusable(true);
+  set_request_focus_on_press(false);
 }
 
 ControlButton::~ControlButton() {
 }
 
 void ControlButton::SetPadding(int horizontal_padding, int vertical_padding) {
   padding_.Set(std::max(vertical_padding, 0),
                std::max(horizontal_padding, 0),
                std::max(-vertical_padding, 0),
                std::max(-horizontal_padding, 0));
@@ skipping 287 matching lines @@
       gfx::Rect(screen_location, gfx::Size()),
       views::MenuItemView::TOPRIGHT,
       views::MenuRunner::HAS_MNEMONICS));
 }
 
 void MessageView::OnSlideOut() {
   message_center_->RemoveNotification(notification_id_, true);  // By user.
 }
 
 }  // namespace message_center