Eliminate ash::internal namespace

ash/shelf/app_list_button.cc

 // Copyright 2013 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 "ash/shelf/app_list_button.h"
 
 #include <vector>
 
 #include "ash/ash_constants.h"
 #include "ash/shelf/shelf_button_host.h"
 #include "ash/shelf/shelf_constants.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_element.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/views/painter.h"
 
 namespace ash {
-namespace internal {
 
 const int kAnimationDurationInMs = 600;
 const float kAnimationOpacity[] = { 1.0f, 0.4f, 1.0f };
 
 AppListButton::AppListButton(views::ButtonListener* listener,
                              ShelfButtonHost* host)
     : views::ImageButton(listener),
       host_(host) {
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   SetImage(
@@ skipping 86 matching lines @@
 void AppListButton::OnMouseExited(const ui::MouseEvent& event) {
   ImageButton::OnMouseExited(event);
   host_->MouseExitedButton(this);
 }
 
 void AppListButton::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_BUTTON;
   state->name = host_->GetAccessibleName(this);
 }
 
-}  // namespace internal
 }  // namespace ash