AppListController now responsible for ensuring app list stays centered.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index 5eb79c188d5808002453da207a17c86e431b5c7f..61c16598ec6a3b4e6a4eb836999f6ca40b034188 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -17,10 +17,6 @@ namespace base {
 class FilePath;
 }
 
-namespace gfx {
-class Screen;
-}
-
 namespace app_list {
 class ApplicationDragAndDropHost;
 class AppListMainView;
@@ -61,15 +57,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
                                    views::BubbleBorder::Arrow arrow,
                                    bool border_accepts_events);
 
-  // Initializes the widget and use the center of the primary display for
-  // positioning.
-  void InitAsBubbleCenteredOnPrimaryDisplay(
-      gfx::NativeView parent,
-      PaginationModel* pagination_model,
-      gfx::Screen* screen_to_keep_centered_on,
-      views::BubbleBorder::Arrow arrow,
-      bool border_accepts_events);
-
   void SetBubbleArrow(views::BubbleBorder::Arrow arrow);
 
   void SetAnchorPoint(const gfx::Point& anchor_point);
@@ -123,10 +110,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
                             bool border_accepts_events,
                             const gfx::Vector2d& anchor_offset);
 
-  // Gets the point at the center of the current screen.
-  // |screen_to_keep_centered_on_| must not be NULL.
-  gfx::Point GetCenterPoint();
-
   // Overridden from views::BubbleDelegateView:
   virtual void OnBeforeBubbleWidgetInit(
       views::Widget::InitParams* params,
@@ -165,10 +148,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   ObserverList<AppListViewObserver> observers_;
   scoped_ptr<HideViewAnimationObserver> animation_observer_;
 
-  // If non-NULL, the app list will remain centered on this screen's primary
-  // display.
-  gfx::Screen* screen_to_keep_centered_on_;
-
   DISALLOW_COPY_AND_ASSIGN(AppListView);
 };