Componentize VersionInfo.

components/version_info/version_info.cc

+// Copyright 2015 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 "components/version_info/version_info.h"
+
+#include "build/build_config.h"
+#include "components/version_info/version_info_values.h"
+#include "grit/components_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace version_info {
+
+std::string GetProductNameAndVersionForUserAgent() {
+  return "Chrome/" + GetVersionNumber();
+}
+
+std::string GetProductName() {
+  return PRODUCT_NAME;
+}
+
+std::string GetVersionNumber() {
+  return PRODUCT_VERSION;
+}
+
+std::string GetLastChange() {
+  return LAST_CHANGE;
+}
+
+bool IsOfficialBuild() {
+  return IS_OFFICIAL_BUILD;
+}
+
+std::string GetOSType() {
+#if defined(OS_WIN)
+  return "Windows";
+#elif defined(OS_IOS)
+  return "iOS";
+#elif defined(OS_MACOSX)
+  return "Mac OS X";
+#elif defined(OS_CHROMEOS)
+# if defined(GOOGLE_CHROME_BUILD)
+  return "Chrome OS";
+# else
+  return "Chromium OS";
+# endif
+#elif defined(OS_ANDROID)
+  return "Android";
+#elif defined(OS_LINUX)
+  return "Linux";
+#elif defined(OS_FREEBSD)
+  return "FreeBSD";
+#elif defined(OS_OPENBSD)
+  return "OpenBSD";
+#elif defined(OS_SOLARIS)
+  return "Solaris";
+#else
+  return "Unknown";
+#endif
+}
+
+std::string GetChannelString(Channel channel) {
+  switch (channel) {
+    case Channel::STABLE:
+      return "stable";
+      break;
+    case Channel::BETA:
+      return "beta";
+      break;
+    case Channel::DEV:
+      return "dev";
+      break;
+    case Channel::CANARY:
+      return "canary";
+      break;
+    case Channel::UNKNOWN:
+      return "unknown";
+      break;
+  }
+  return std::string();
+}
+
+std::string GetVersionStringWithModifier(const std::string& modifier) {
+  std::string current_version;
+  current_version += GetVersionNumber();
+#if !defined(GOOGLE_CHROME_BUILD)
+  current_version += " (";
+  current_version += l10n_util::GetStringUTF8(IDS_ABOUT_VERSION_UNOFFICIAL);
+  current_version += " ";
+  current_version += GetLastChange();
+  current_version += " ";
+  current_version += GetOSType();
+  current_version += ")";
+#endif
+  if (!modifier.empty())
+    current_version += " " + modifier;
+  return current_version;
+}
+
+}  // namespace version_info