Add UMA for --app-shim-error.

chrome/browser/apps/shortcut_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/apps/shortcut_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/prefs/pref_service.h"
@@ skipping 18 matching lines @@
 #include "extensions/common/one_shot_event.h"
 
 using extensions::Extension;
 
 namespace {
 
 // This version number is stored in local prefs to check whether app shortcuts
 // need to be recreated. This might happen when we change various aspects of app
 // shortcuts like command-line flags or associated icons, binaries, etc.
 #if defined(OS_MACOSX)
-const int kCurrentAppShortcutsVersion = 1;
+const int kCurrentAppShortcutsVersion = 2;
 #else
 const int kCurrentAppShortcutsVersion = 0;
 #endif
 
 // Delay in seconds before running UpdateShortcutsForAllApps.
 const int kUpdateShortcutsForAllAppsDelay = 10;
 
 void CreateShortcutsForApp(Profile* profile, const Extension* app) {
   web_app::ShortcutLocations creation_locations;
 
@@ skipping 111 matching lines @@
     return;
 
   content::BrowserThread::PostDelayedTask(
       content::BrowserThread::UI,
       FROM_HERE,
       base::Bind(&web_app::UpdateShortcutsForAllApps,
                  profile_,
                  base::Bind(&SetCurrentAppShortcutsVersion, prefs_)),
       base::TimeDelta::FromSeconds(kUpdateShortcutsForAllAppsDelay));
 }