text: // 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/common/chrome_version_info.h"
  
  #include "base/android/build_info.h"
  #include "base/logging.h"
  #include "base/string_util.h"
  
  namespace chrome {
  
  // static
  std::string VersionInfo::GetVersionStringModifier() {
    switch (GetChannel()) {
      case CHANNEL_UNKNOWN: return "unknown";
      case CHANNEL_CANARY: return "canary";
      case CHANNEL_DEV: return "dev";
      case CHANNEL_BETA: return "beta";
      case CHANNEL_STABLE: return std::string();
    }
    NOTREACHED() << "Unknown channel " << GetChannel();
    return std::string();
  }
  
  // static
  VersionInfo::Channel VersionInfo::GetChannel() {
    const base::android::BuildInfo* bi = base::android::BuildInfo::GetInstance();
    DCHECK(bi && bi->package_name());
  
    if (!strcmp(bi->package_name(), "com.android.chrome"))
      return CHANNEL_STABLE;
    if (!strcmp(bi->package_name(), "com.chrome.beta"))
      return CHANNEL_BETA;
    if (!strcmp(bi->package_name(), "com.google.android.apps.chrome_dev"))
      return CHANNEL_DEV;
  
    return CHANNEL_UNKNOWN;
  }
  
  }  // namespace chrome
  