Chrome version info getter for Chrome OS.

chrome/browser/chromeos/system/statistics_provider.cc

 // Copyright (c) 2011 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/chromeos/system/statistics_provider.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "chrome/browser/chromeos/system/name_value_pairs_parser.h"
 #include "chrome/browser/chromeos/system/runtime_environment.h"
+#include "chrome/common/chrome_version_info.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 namespace system {
 namespace {
 
 // The tools used here should be specified as absolute paths. The
 // existence of the tools is checked in GetSingleValueFromTool().
@@ skipping 117 matching lines @@
   GetNameValuePairsFromFile(&parser,
                             FilePath(kMachineHardwareInfoFile),
                             kMachineHardwareInfoEq,
                             kMachineHardwareInfoDelim);
   GetNameValuePairsFromFile(&parser,
                             FilePath(kMachineOSInfoFile),
                             kMachineOSInfoEq,
                             kMachineOSInfoDelim);
   GetNameValuePairsFromFile(&parser, FilePath(kVpdFile), kVpdEq, kVpdDelim);
 
+#if defined(GOOGLE_CHROME_BUILD)
+  // TODO(kochi): This is for providing a channel information to
+  // chrome::VersionInfo::GetChannel()/GetVersionStringModifier(),
+  // but this is still late for some early customers such as
+  // prerender::ConfigurePrefetchAndPrerender() and
+  // ThreadWatcherList::ParseCommandLine().
+  // See http://crbug.com/107333 .
+  const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
+  std::string channel;
+  if (GetMachineStatistic(kChromeOSReleaseTrack, &channel)) {
+      chrome::VersionInfo::SetChannel(channel);
+  }
+#endif
+
   // Finished loading the statistics.
   on_statistics_loaded_.Signal();
   VLOG(1) << "Finished loading statistics";
 }
 
 StatisticsProviderImpl* StatisticsProviderImpl::GetInstance() {
   return Singleton<StatisticsProviderImpl,
                    DefaultSingletonTraits<StatisticsProviderImpl> >::get();
 }
 
@@ skipping 23 matching lines @@
 StatisticsProvider* StatisticsProvider::GetInstance() {
   if (system::runtime_environment::IsRunningOnChromeOS()) {
     return StatisticsProviderImpl::GetInstance();
   } else {
     return StatisticsProviderStubImpl::GetInstance();
   }
 }
 
 }  // namespace system
 }  // namespace chromeos