Remove some platform specific stuff from views.

ui/app_list/views/start_page_view.h

Index: ui/app_list/views/start_page_view.h
diff --git a/ui/app_list/views/start_page_view.h b/ui/app_list/views/start_page_view.h
deleted file mode 100644
index 2949ec5fd42de3b05735a3adb06fb1e9aa136dfa..0000000000000000000000000000000000000000
--- a/ui/app_list/views/start_page_view.h
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2014 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_APP_LIST_VIEWS_START_PAGE_VIEW_H_
-#define UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_
-
-#include "base/basictypes.h"
-#include "base/memory/weak_ptr.h"
-#include "ui/app_list/app_list_export.h"
-#include "ui/app_list/app_list_model.h"
-#include "ui/app_list/app_list_view_delegate_observer.h"
-#include "ui/app_list/views/search_box_view_delegate.h"
-#include "ui/base/models/list_model_observer.h"
-#include "ui/views/view.h"
-
-namespace app_list {
-
-class AppListMainView;
-class AppListViewDelegate;
-class SearchResultListView;
-class TileItemView;
-
-// The start page for the experimental app list.
-class APP_LIST_EXPORT StartPageView : public views::View,
-                                      public ui::ListModelObserver,
-                                      public SearchBoxViewDelegate {
- public:
-  StartPageView(AppListMainView* app_list_main_view,
-                AppListViewDelegate* view_delegate);
-  virtual ~StartPageView();
-
-  void Reset();
-  void ShowSearchResults();
-
-  bool IsShowingSearchResults() const;
-
-  void UpdateForTesting();
-
-  const std::vector<TileItemView*>& tile_views() const { return tile_views_; }
-  SearchBoxView* dummy_search_box_view() { return search_box_view_; }
-
-  // Overridden from views::View:
-  virtual bool OnKeyPressed(const ui::KeyEvent& event) override;
-  virtual void Layout() override;
-
- private:
-  enum ShowState {
-    SHOW_START_PAGE,
-    SHOW_SEARCH_RESULTS,
-  };
-
-  void InitInstantContainer();
-  void InitTilesContainer();
-
-  void SetShowState(ShowState show_state);
-  void SetModel(AppListModel* model);
-
-  // Updates UI with model.
-  void Update();
-
-  // Schedules an Update() call using |update_factory_|. Does nothing if there
-  // is a pending call.
-  void ScheduleUpdate();
-
-  // Overridden from SearchBoxViewDelegate:
-  virtual void QueryChanged(SearchBoxView* sender) override;
-
-  // Overridden from ui::ListModelObserver:
-  virtual void ListItemsAdded(size_t start, size_t count) override;
-  virtual void ListItemsRemoved(size_t start, size_t count) override;
-  virtual void ListItemMoved(size_t index, size_t target_index) override;
-  virtual void ListItemsChanged(size_t start, size_t count) override;
-
-  // The parent view of ContentsView which is the parent of this view.
-  AppListMainView* app_list_main_view_;
-
-  AppListModel::SearchResults*
-      search_results_model_;  // Owned by AppListSyncableService.
-
-  AppListViewDelegate* view_delegate_;  // Owned by AppListView.
-
-  SearchBoxView* search_box_view_;      // Owned by views hierarchy.
-  SearchResultListView* results_view_;  // Owned by views hierarchy.
-  views::View* instant_container_;  // Owned by views hierarchy.
-  views::View* tiles_container_;    // Owned by views hierarchy.
-
-  std::vector<TileItemView*> tile_views_;
-
-  ShowState show_state_;
-
-  // ScheduleUpdate() generates a single weak pointer; if one exists then an
-  // update is pending. Further calls to ScheduleUpdate() will have no effect.
-  // Once the Update() completes, the weak pointer is invalidated.
-  base::WeakPtrFactory<StartPageView> update_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(StartPageView);
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_