Moves home card background to HomeCardView.

athena/home/athena_start_page_view.h

 // 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 ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_
 #define ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_
 
 #include "athena/athena_export.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ skipping 45 matching lines @@
 
   static size_t GetMaxIconNumForTest();
 
   // A struct which bundles the layout data of subviews.
   struct LayoutData {
     gfx::Rect search_box;
     gfx::Rect icons;
     gfx::Rect controls;
     float system_info_opacity;
     float logo_opacity;
-    float background_opacity;
 
     LayoutData();
   };
 
   // Returns the bounds for |VISIBLE_BOTTOM|.
   LayoutData CreateBottomBounds(int width);
 
   // Returns the bounds for |VISIBLE_CENTERED|.
   LayoutData CreateCenteredBounds(int width);
 
@@ skipping 26 matching lines @@
 
   // Views are owned through its hierarchy.
   views::View* system_info_view_;
   views::View* app_icon_container_;
   views::View* search_box_container_;
   views::View* control_icon_container_;
   views::View* logo_;
   app_list::SearchBoxView* search_box_view_;
   app_list::SearchResultListView* search_results_view_;
 
-  // Do not use views::Background but a views::View with ui::Layer for gradient
-  // background opacity update and animation.
-  views::View* background_;
-
   // The expected height of |search_results_view_|
   int search_results_height_;
 
   // The state to specify how each of the subviews should be laid out, in the
   // range of [0, 1]. 0 means fully BOTTOM state, and 1 is fully CENTERED state.
   float layout_state_;
 
   ObserverList<Observer> observers_;
 
   base::WeakPtrFactory<AthenaStartPageView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AthenaStartPageView);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_