Experimental app list: Added a current page indicator to the launcher.

ui/app_list/views/contents_view.h

Index: ui/app_list/views/contents_view.h
diff --git a/ui/app_list/views/contents_view.h b/ui/app_list/views/contents_view.h
index ed2abb348f9acb642be67350f160ccfdc54d0e16..e57a0d2a34958daffc9192839a0bfc8e7cb8a556 100644
--- a/ui/app_list/views/contents_view.h
+++ b/ui/app_list/views/contents_view.h
@@ -65,10 +65,7 @@ class APP_LIST_EXPORT ContentsView : public views::View,
   void SetDragAndDropHostOfCurrentAppList(
       ApplicationDragAndDropHost* drag_and_drop_host);
 
-  void set_contents_switcher_view(
-      ContentsSwitcherView* contents_switcher_view) {
-    contents_switcher_view_ = contents_switcher_view;
-  }
+  void SetContentsSwitcherView(ContentsSwitcherView* contents_switcher_view);
 
   void ShowSearchResults(bool show);
   void ShowFolderContent(AppListFolderItem* folder);
@@ -110,6 +107,9 @@ class APP_LIST_EXPORT ContentsView : public views::View,
   virtual void TransitionStarted() OVERRIDE;
   virtual void TransitionChanged() OVERRIDE;
 
+  // Returns the pagination model for the ContentsView.
+  const PaginationModel& pagination_model() { return pagination_model_; }
+
  private:
   // Sets the active launcher page, accounting for whether the change is for
   // search results.