Metrics log modification to handle external components.

chrome/common/metrics/version_utils.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 "chrome/common/metrics/version_utils.h"
+
+#include "base/logging.h"
+#include "chrome/common/chrome_version_info_values.h"
+
+namespace metrics {
+
+std::string GetVersionString() {
+  std::string version = PRODUCT_VERSION;
+#if defined(ARCH_CPU_64_BITS)
+  version += "-64";
+#endif  // defined(ARCH_CPU_64_BITS)
+  if (!IS_OFFICIAL_BUILD)
+    version.append("-devel");
+  return version;
+}
+
+SystemProfileProto::Channel AsProtobufChannel(
+    chrome::VersionInfo::Channel channel) {
+  switch (channel) {
+    case chrome::VersionInfo::CHANNEL_UNKNOWN:
+      return SystemProfileProto::CHANNEL_UNKNOWN;
+    case chrome::VersionInfo::CHANNEL_CANARY:
+      return SystemProfileProto::CHANNEL_CANARY;
+    case chrome::VersionInfo::CHANNEL_DEV:
+      return SystemProfileProto::CHANNEL_DEV;
+    case chrome::VersionInfo::CHANNEL_BETA:
+      return SystemProfileProto::CHANNEL_BETA;
+    case chrome::VersionInfo::CHANNEL_STABLE:
+      return SystemProfileProto::CHANNEL_STABLE;
+  }
+  NOTREACHED();
+  return SystemProfileProto::CHANNEL_UNKNOWN;
+}
+
+}  // namespace metrics