Componentize VersionInfo.

chrome/browser/io_thread.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/io_thread.h"
 
 #include <vector>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 848 matching lines @@
   job_factory->SetProtocolHandler(
       url::kFtpScheme,
       new net::FtpProtocolHandler(
           globals_->proxy_script_fetcher_ftp_transaction_factory.get()));
 #endif
   globals_->proxy_script_fetcher_url_request_job_factory = job_factory.Pass();
 
   globals_->proxy_script_fetcher_context.reset(
       ConstructProxyScriptFetcherContext(globals_, net_log_));
 
-  const chrome::VersionInfo::Channel channel =
-      chrome::VersionInfo::GetChannel();
-
-  if (channel == chrome::VersionInfo::CHANNEL_UNKNOWN ||
-      channel == chrome::VersionInfo::CHANNEL_CANARY ||
-      channel == chrome::VersionInfo::CHANNEL_DEV) {
+  const version_info::Channel channel = chrome::VersionInfo::GetChannel();
+  if (channel == version_info::Channel::UNKNOWN ||
+      channel == version_info::Channel::CANARY ||
+      channel == version_info::Channel::DEV) {
     globals_->url_request_backoff_manager.reset(
         new net::URLRequestBackoffManager());
   }
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   // Start observing Keychain events. This needs to be done on the UI thread,
   // as Keychain services requires a CFRunLoop.
   BrowserThread::PostTask(BrowserThread::UI,
                           FROM_HERE,
                           base::Bind(&ObserveKeychainEvents));
@@ skipping 710 matching lines @@
   net::QuicVersionVector supported_versions = net::QuicSupportedVersions();
   for (size_t i = 0; i < supported_versions.size(); ++i) {
     net::QuicVersion version = supported_versions[i];
     if (net::QuicVersionToString(version) == quic_version) {
       return version;
     }
   }
 
   return net::QUIC_VERSION_UNSUPPORTED;
 }