Componentize VersionInfo.

chrome/browser/ui/cocoa/first_run_dialog.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.
 
 #import "chrome/browser/ui/cocoa/first_run_dialog.h"
 
 #include "base/bind.h"
 #include "base/mac/bundle_locations.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
@@ skipping 109 matching lines @@
   }
   first_run::SetShouldShowWelcomePage();
 
   return dialog_shown;
 }
 
 // True when the stats checkbox should be checked by default. This is only
 // the case when the canary is running.
 bool StatsCheckboxDefault() {
   return chrome::VersionInfo::GetChannel() ==
-      chrome::VersionInfo::CHANNEL_CANARY;
+      version_info::Channel::CANARY;
 }
 
 }  // namespace
 
 namespace first_run {
 
 bool ShowFirstRunDialog(Profile* profile) {
   return ShowFirstRun(profile);
 }
 
@@ skipping 137 matching lines @@
   [NSApp stopModal];
 }
 
 - (IBAction)learnMore:(id)sender {
   NSString* urlStr = base::SysUTF8ToNSString(chrome::kLearnMoreReportingURL);
   NSURL* learnMoreUrl = [NSURL URLWithString:urlStr];
   [[NSWorkspace sharedWorkspace] openURL:learnMoreUrl];
 }
 
 @end