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..33e64ab86037c6d77678dd14e302822d1fda73e6 100644
--- a/chrome/browser/ui/ash/launcher/launcher_controller_helper.h
+++ b/chrome/browser/ui/ash/launcher/launcher_controller_helper.h
@@ -10,6 +10,7 @@
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
+#include "chrome/browser/ui/ash/app_launcher_id.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_types.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 
@@ -41,15 +42,10 @@ class LauncherControllerHelper : public ExtensionEnableFlowDelegate {
   // Note that already running applications are ignored by the restore process.
   virtual bool IsValidIDForCurrentUser(const std::string& id) const;
 
-  void LaunchApp(const std::string& app_id,
+  void LaunchApp(ash::launcher::AppLauncherId id,
                  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_; }