Componentize VersionInfo.

chrome/browser/chrome_browser_main.cc

 // 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/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 658 matching lines @@
 
   // Initialize FieldTrialSynchronizer system. This is a singleton and is used
   // for posting tasks via base::Bind. Its deleted when it goes out of scope.
   // Even though base::Bind does AddRef and Release, the object will not be
   // deleted after the Task is executed.
   field_trial_synchronizer_ = new FieldTrialSynchronizer();
 
   // Now that field trials have been created, initializes metrics recording.
   metrics->InitializeMetricsRecordingState();
 
-  const chrome::VersionInfo::Channel channel =
+  const version_info::Channel channel =
       chrome::VersionInfo::GetChannel();
 
   // TODO(dalecurtis): Remove these checks and enable for all channels once we
   // track down the root causes of crbug.com/422522 and crbug.com/478932.
-  if (channel == chrome::VersionInfo::CHANNEL_UNKNOWN ||
-      channel == chrome::VersionInfo::CHANNEL_CANARY ||
-      channel == chrome::VersionInfo::CHANNEL_DEV) {
+  if (channel == version_info::Channel::UNKNOWN ||
+      channel == version_info::Channel::CANARY ||
+      channel == version_info::Channel::DEV) {
     media::AudioManager::EnableHangMonitor();
   }
 
   // Enable profiler instrumentation depending on the channel.
   switch (channel) {
-    case chrome::VersionInfo::CHANNEL_UNKNOWN:
-    case chrome::VersionInfo::CHANNEL_CANARY:
+    case version_info::Channel::UNKNOWN:
+    case version_info::Channel::CANARY:
       tracked_objects::ScopedTracker::Enable();
       break;
 
-    case chrome::VersionInfo::CHANNEL_DEV:
-    case chrome::VersionInfo::CHANNEL_BETA:
-    case chrome::VersionInfo::CHANNEL_STABLE:
+    case version_info::Channel::DEV:
+    case version_info::Channel::BETA:
+    case version_info::Channel::STABLE:
       // Don't enable instrumentation.
       break;
   }
 }
 
 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
 
 void ChromeBrowserMainParts::StartMetricsRecording() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording");
 
@@ skipping 1090 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(OS_ANDROID)
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }