Make app launcher Chrome Store UMA consistent with NTP.

chrome/browser/ui/webui/ntp/app_launcher_handler.h

Index: chrome/browser/ui/webui/ntp/app_launcher_handler.h
diff --git a/chrome/browser/ui/webui/ntp/app_launcher_handler.h b/chrome/browser/ui/webui/ntp/app_launcher_handler.h
index 2751f6784c8333a861b8008c43de32e95097f4f3..986d055b0cc7f35068c6fb3ca19ccd69bcd64755 100644
--- a/chrome/browser/ui/webui/ntp/app_launcher_handler.h
+++ b/chrome/browser/ui/webui/ntp/app_launcher_handler.h
@@ -116,6 +116,12 @@ class AppLauncherHandler : public content::WebUIMessageHandler,
   static void RecordAppLaunchType(extension_misc::AppLaunchBucket bucket,
                                   extensions::Manifest::Type app_type);
 
+  // Records an app launch from the search view of the app list.
+  static void RecordAppListSearchLaunch(const extensions::Extension* extension);
+
+  // Records an app launch from the main view of the app list.
+  static void RecordAppListMainLaunch(const extensions::Extension* extension);
+
  private:
   struct AppInstallInfo {
     AppInstallInfo();