Remove LauncherItemController::Launch, cleanup.

chrome/browser/ui/ash/launcher/launcher_controller_helper.h

Index: chrome/browser/ui/ash/launcher/launcher_controller_helper.h
diff --git a/chrome/browser/ui/ash/launcher/launcher_controller_helper.h b/chrome/browser/ui/ash/launcher/launcher_controller_helper.h
index 97045dbc185b440a235c14988fdbd3cc7334826d..2f3f45840a2a6e753ebea3175ed7ad9c6cee7f96 100644
--- a/chrome/browser/ui/ash/launcher/launcher_controller_helper.h
+++ b/chrome/browser/ui/ash/launcher/launcher_controller_helper.h
@@ -42,14 +42,10 @@ class LauncherControllerHelper : public ExtensionEnableFlowDelegate {
   virtual bool IsValidIDForCurrentUser(const std::string& id) const;
 
   void LaunchApp(const std::string& app_id,
+                 const std::string& launch_id,

[James Cook, 2017/02/08 17:37:00]

ditto

[msw, 2017/02/09 00:42:00]

Done.

                  ash::LaunchSource source,
                  int event_flags);
 
-  void LaunchAppWithLaunchId(const std::string& app_id,
-                             const std::string& launch_id,
-                             ash::LaunchSource source,
-                             int event_flags);
-
   virtual ArcAppListPrefs* GetArcAppListPrefs() const;
 
   Profile* profile() { return profile_; }