WebView: Add channel info for UMA

components/metrics/version_utils.h

 // 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.
 
-#ifndef COMPONENTS_METRICS_NET_VERSION_UTILS_H_
-#define COMPONENTS_METRICS_NET_VERSION_UTILS_H_
+#ifndef COMPONENTS_METRICS_VERSION_UTILS_H_
+#define COMPONENTS_METRICS_VERSION_UTILS_H_
 
 #include <string>
 
 #include "components/metrics/proto/system_profile.pb.h"
 
 namespace version_info {
 enum class Channel;
 }
 
 namespace metrics {
 
 // Build a string including the Chrome app version, suffixed by "-64" on 64-bit
 // platforms, and "-devel" on developer builds.
 std::string GetVersionString();
 
 // Translates version_info::Channel to the equivalent
 // SystemProfileProto::Channel.
-SystemProfileProto::Channel AsProtobufChannel(
-    version_info::Channel channel);
+SystemProfileProto::Channel AsProtobufChannel(version_info::Channel channel);
 
 }  // namespace metrics
 
-#endif  // COMPONENTS_METRICS_NET_VERSION_UTILS_H_
+#endif  // COMPONENTS_METRICS_VERSION_UTILS_H_