Move app list from ash to ui.

ui/app_list/page_switcher.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 "ash/app_list/page_switcher.h"
+#include "ui/app_list/page_switcher.h"
 
-#include "ash/app_list/pagination_model.h"
 #include "third_party/skia/include/core/SkPath.h"
+#include "ui/app_list/pagination_model.h"
 #include "ui/base/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/layout/box_layout.h"
 
 namespace {
 
 const int kButtonSpacing = 10;
 const int kButtonWidth = 60;
 const int kButtonHeight = 6;
 const int kButtonHeightPadding = 10;
 const int kButtonCornerRadius = 2;
 
 // 0.16 black
 const SkColor kHoverColor = SkColorSetARGB(0x2A, 0x00, 0x00, 0x00);
 
 // 0.2 black
 const SkColor kNormalColor = SkColorSetARGB(0x33, 0x00, 0x00, 0x00);
 
 // 0.33 black
 const SkColor kSelectedColor = SkColorSetARGB(0x55, 0x00, 0x00, 0x00);
 
 class PageSwitcherButton : public views::CustomButton {
  public:
-  PageSwitcherButton(views::ButtonListener* listener)
+  explicit PageSwitcherButton(views::ButtonListener* listener)
       : views::CustomButton(listener),
         selected_(false) {
   }
   virtual ~PageSwitcherButton() {}
 
   void SetSelected(bool selected) {
     if (selected == selected_)
       return;
 
     selected_ = selected;
@@ skipping 46 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(PageSwitcherButton);
 };
 
 // Gets PageSwitcherButton at |index| in |buttons|.
 PageSwitcherButton* GetButtonByIndex(views::View* buttons, int index) {
   return static_cast<PageSwitcherButton*>(buttons->child_at(index));
 }
 
 }  // namespace
 
-namespace ash {
+namespace app_list {
 
 PageSwitcher::PageSwitcher(PaginationModel* model)
     : model_(model),
       buttons_(NULL) {
   buttons_ = new views::View;
   buttons_->SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kHorizontal, 0, 0, kButtonSpacing));
   AddChildView(buttons_);
 
   TotalPagesChanged();
@@ skipping 37 matching lines @@
   Layout();
 }
 
 void PageSwitcher::SelectedPageChanged(int old_selected, int new_selected) {
   if (old_selected >= 0 && old_selected < buttons_->child_count())
     GetButtonByIndex(buttons_, old_selected)->SetSelected(false);
   if (new_selected >= 0 && new_selected < buttons_->child_count())
     GetButtonByIndex(buttons_, new_selected)->SetSelected(true);
 }
 
-}  // namespace ash
+}  // namespace app_list