WebView: Add channel info for UMA

android_webview/browser/aw_metrics_service_client_impl.h

 // Copyright 2017 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 ANDROID_WEBVIEW_BROWSER_AW_METRICS_SERVICE_CLIENT_IMPL_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_METRICS_SERVICE_CLIENT_IMPL_H_
 
 #include <jni.h>
 #include <memory>
 #include <string>
 
 #include "android_webview/browser/aw_metrics_service_client.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "components/metrics/metrics_log_uploader.h"
+#include "components/version_info/channel.h"
 
 namespace metrics {
 class MetricsStateManager;
 }
 
 namespace android_webview {
 
 // This singleton manages metrics for an app using any number of WebViews. It
 // must always be used on the same thread. (Currently the UI thread is enforced,
 // but it could be any thread.) This is to prevent enable/disable race
@@ skipping 39 matching lines @@
   AwMetricsServiceClientImpl();
   ~AwMetricsServiceClientImpl() override;
 
   void InitializeWithGUID(std::string* guid);
 
   bool is_enabled_;
   PrefService* pref_service_;
   net::URLRequestContextGetter* request_context_;
   std::unique_ptr<metrics::MetricsStateManager> metrics_state_manager_;
   std::unique_ptr<metrics::MetricsService> metrics_service_;
+  version_info::Channel channel_;
 
   DISALLOW_COPY_AND_ASSIGN(AwMetricsServiceClientImpl);
 };
 
 bool RegisterAwMetricsServiceClient(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_METRICS_SERVICE_CLIENT_IMPL_H_