Componentize VersionInfo.

chrome/browser/shell_integration_mac.mm

 // 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.
 
 #include "chrome/browser/shell_integration.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/common/chrome_version_info.h"
 #import "third_party/mozilla/NSWorkspace+Utils.h"
 
 ShellIntegration::DefaultWebClientSetPermission
     ShellIntegration::CanSetAsDefaultBrowser() {
   if (chrome::VersionInfo::GetChannel() !=
-          chrome::VersionInfo::CHANNEL_CANARY) {
+          version_info::Channel::CANARY) {
     return SET_DEFAULT_UNATTENDED;
   }
 
   return SET_DEFAULT_NOT_ALLOWED;
 }
 
 // Sets Chromium as default browser to be used by the operating system. This
 // applies only for the current user. Returns false if this cannot be done, or
 // if the operation fails.
 bool ShellIntegration::SetAsDefaultBrowser() {
@@ skipping 119 matching lines @@
   // We really do want the main bundle here since it makes sense to set an
   // app shortcut as a default protocol handler.
   NSString* my_identifier = [base::mac::MainBundle() bundleIdentifier];
   if (!my_identifier)
     return UNKNOWN_DEFAULT;
 
   NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];
   return IsIdentifierDefaultProtocolClient(my_identifier, protocol_ns) ?
       IS_DEFAULT : NOT_DEFAULT;
 }