Notify launcher page with onTransitionChanged event

chrome/browser/ui/app_list/app_list_view_delegate.h

Index: chrome/browser/ui/app_list/app_list_view_delegate.h
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.h b/chrome/browser/ui/app_list/app_list_view_delegate.h
index 1eb50ba929266252317277b68ec9eed3c40478db..fb7125cf859f749d4aa645772c1d755f85dd0b94 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.h
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.h
@@ -31,6 +31,7 @@ class CustomLauncherPageContents;
 }
 
 namespace app_list {
+class LauncherPageEventDispatcher;
 class SearchController;
 class SearchResourceManager;
 class SpeechUIModel;
@@ -96,6 +97,7 @@ class AppListViewDelegate : public app_list::AppListViewDelegate,
   virtual views::View* CreateStartPageWebView(const gfx::Size& size) override;
   virtual std::vector<views::View*> CreateCustomPageWebViews(
       const gfx::Size& size) override;
+  void CustomLauncherPageAnimationChanged(double progress) override;

[tapted, 2014/11/06 11:54:18]

also, don't forget about applisttestviewdelegate and exampleapplistviewdelegate
orwhateveritis

[calamity, 2014/11/07 03:43:29]

Done.

 #endif
   bool IsSpeechRecognitionEnabled() override;
   const Users& GetUsers() const override;
@@ -162,6 +164,9 @@ class AppListViewDelegate : public app_list::AppListViewDelegate,
   scoped_ptr<app_list::SearchResourceManager> search_resource_manager_;
   scoped_ptr<app_list::SearchController> search_controller_;
 
+  scoped_ptr<app_list::LauncherPageEventDispatcher>
+      launcher_page_event_dispatcher_;
+
   base::TimeDelta auto_launch_timeout_;
 
   Users users_;