Trace revision and v8 version for IterationInfo

android_webview/browser/tracing/aw_tracing_delegate.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 "android_webview/browser/tracing/aw_tracing_delegate.h"
+
+#include "base/values.h"
+#include "components/version_info/version_info.h"
+#include "content/public/browser/trace_uploader.h"
+
+namespace android_webview {
+
+std::unique_ptr<content::TraceUploader> AwTracingDelegate::GetTraceUploader(
+    net::URLRequestContextGetter* request_context) {
+  NOTREACHED();
+  return NULL;
+}
+
+void AwTracingDelegate::GenerateMetadataDict(
+    base::DictionaryValue* metadata_dict) {
+  DCHECK(metadata_dict);
+  metadata_dict->SetString("revision", version_info::GetLastChange());
+}
+
+}  // namespace android_webview