ntp4: record app launch source

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 7d6305c53ae66fdee13ae3f84bb89bb214b12046..01d3ae7d380b27e4c2e7c35b96824c2666cccf60 100644
--- a/chrome/browser/ui/webui/ntp/app_launcher_handler.h
+++ b/chrome/browser/ui/webui/ntp/app_launcher_handler.h
@@ -102,6 +102,11 @@ class AppLauncherHandler : public WebUIMessageHandler,
   // Callback for the "generateAppForLink" message.
   void HandleGenerateAppForLink(const base::ListValue* args);
 
+  // Callback for the "recordAppLaunchByURL" message. Takes a URL and a launch

[Rick Byers, 2011/08/04 00:32:21]

nit: s/URL/escaped URL
I never would have guessed this was supposed to be URI-escaped, seems strange
but OK as long as it's clear that's the contract.

+  // source (integer), and if the URL represents an app, records the action for
+  // UMA.
+  void HandleRecordAppLaunchByURL(const base::ListValue* args);
+
   // Register app launcher preferences.
   static void RegisterUserPrefs(PrefService* pref_service);