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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/common/chrome_version_info.h"
      6 
      7 #include "base/base_paths.h"
      8 #include "base/debug/profiler.h"
      9 #include "base/files/file_path.h"
     10 #include "base/path_service.h"
     11 #include "base/strings/string_util.h"
     12 #include "base/strings/utf_string_conversions.h"
     13 #include "chrome/installer/util/google_update_settings.h"
     14 #include "chrome/installer/util/install_util.h"
     15 
     16 namespace chrome {
     17 
     18 // static
     19 std::string VersionInfo::GetVersionStringModifier() {
     20 #if defined(GOOGLE_CHROME_BUILD)
     21   base::FilePath module;
     22   base::string16 channel;
     23   if (PathService::Get(base::FILE_MODULE, &module)) {
     24     bool is_system_install =
     25         !InstallUtil::IsPerUserInstall(module.value().c_str());
     26 
     27     GoogleUpdateSettings::GetChromeChannelAndModifiers(is_system_install,
     28                                                        &channel);
     29   }
     30 #if defined(SYZYASAN)
     31   if (base::debug::IsBinaryInstrumented())
     32     channel += L" SyzyASan";
     33 #endif
     34   return base::UTF16ToASCII(channel);
     35 #else
     36   return std::string();
     37 #endif
     38 }
     39 
     40 // static
     41 VersionInfo::Channel VersionInfo::GetChannel() {
     42 #if defined(GOOGLE_CHROME_BUILD)
     43   std::wstring channel(L"unknown");
     44 
     45   base::FilePath module;
     46   if (PathService::Get(base::FILE_MODULE, &module)) {
     47     bool is_system_install =
     48         !InstallUtil::IsPerUserInstall(module.value().c_str());
     49     channel = GoogleUpdateSettings::GetChromeChannel(is_system_install);
     50   }
     51 
     52   if (channel.empty()) {
     53     return CHANNEL_STABLE;
     54   } else if (channel == L"beta") {
     55     return CHANNEL_BETA;
     56   } else if (channel == L"dev") {
     57     return CHANNEL_DEV;
     58   } else if (channel == L"canary") {
     59     return CHANNEL_CANARY;
     60   }
     61 #endif
     62 
     63   return CHANNEL_UNKNOWN;
     64 }
     65 
     66 }  // namespace chrome
     67