Cleanup VersionInfo after componentization.

chrome/common/chrome_version_info_posix.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/common/chrome_version_info.h"
-
-#include "base/strings/string_util.h"
-#include "build/build_config.h"
-
-namespace chrome {
-
-namespace {
-
-// Helper function to return both the channel enum and modifier string.
-// Implements both together to prevent their behavior from diverging, which has
-// happened multiple times in the past.
-version_info::Channel GetChannelImpl(std::string* modifier_out) {
-  version_info::Channel channel = version_info::Channel::UNKNOWN;
-  std::string modifier;
-
-  char* env = getenv("CHROME_VERSION_EXTRA");
-  if (env)
-    modifier = env;
-
-#if defined(GOOGLE_CHROME_BUILD)
-  // Only ever return "", "unknown", "dev" or "beta" in a branded build.
-  if (modifier == "unstable")  // linux version of "dev"
-    modifier = "dev";
-  if (modifier == "stable") {
-    channel = version_info::Channel::STABLE;
-    modifier = "";
-  } else if (modifier == "dev") {
-    channel = version_info::Channel::DEV;
-  } else if (modifier == "beta") {
-    channel = version_info::Channel::BETA;
-  } else {
-    modifier = "unknown";
-  }
-#endif
-
-  if (modifier_out)
-    modifier_out->swap(modifier);
-
-  return channel;
-}
-
-}  // namespace
-
-// static
-std::string VersionInfo::GetVersionStringModifier() {
-  std::string modifier;
-  GetChannelImpl(&modifier);
-  return modifier;
-}
-
-// static
-version_info::Channel VersionInfo::GetChannel() {
-  return GetChannelImpl(NULL);
-}
-
-}  // namespace chrome