Add UMA for --app-shim-error.

chrome/common/mac/app_mode_common.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_COMMON_MAC_APP_MODE_COMMON_H_
 #define CHROME_COMMON_MAC_APP_MODE_COMMON_H_
 
 #import <Foundation/Foundation.h>
 
 #include "base/files/file_path.h"
@@ skipping 44 matching lines @@
 extern NSString* const kCFBundleTypeIconFileKey;
 extern NSString* const kCFBundleTypeNameKey;
 extern NSString* const kCFBundleTypeMIMETypesKey;
 extern NSString* const kCFBundleTypeRoleKey;
 extern NSString* const kBundleTypeRoleViewer;
 
 // The display name of the bundle as shown in Finder and the Dock. For localized
 // bundles, this overrides the bundle's file name.
 extern NSString* const kCFBundleDisplayNameKey;
 
+// The Chrome version string in the app shim bundle.
+extern NSString* const kCFBundleShortVersionStringKey;
+
 // The key specifying whether the display name should be localized. This makes
 // Finder look in localization folders in the app bundle for a display name.
 // (e.g. Content/Resources/en.lproj/)
 extern NSString* const kLSHasLocalizedDisplayNameKey;
 
 // The key under which the browser's bundle ID will be stored in the
 // app mode launcher bundle's Info.plist.
 extern NSString* const kBrowserBundleIDKey;
 
 // Key for the shortcut ID.
@@ skipping 76 matching lines @@
   base::FilePath profile_dir;
 };
 
 // Check that the socket and its parent directory have the correct permissions
 // and are owned by the user.
 void VerifySocketPermissions(const base::FilePath& socket_path);
 
 }  // namespace app_mode
 
 #endif  // CHROME_COMMON_MAC_APP_MODE_COMMON_H_