Trace revision and v8 version for IterationInfo

content/browser/tracing/tracing_controller_impl.cc

Index: content/browser/tracing/tracing_controller_impl.cc
diff --git a/content/browser/tracing/tracing_controller_impl.cc b/content/browser/tracing/tracing_controller_impl.cc
index 8380c45c44cd2924301ebd3b7e34f803daf23480..792592b94a7549ff236490722797be2d3ca0c75e 100644
--- a/content/browser/tracing/tracing_controller_impl.cc
+++ b/content/browser/tracing/tracing_controller_impl.cc
@@ -17,6 +17,7 @@
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "components/tracing/common/process_metrics_memory_dump_provider.h"
+#include "components/version_info/version_info.h"
 #include "content/browser/tracing/file_tracing_provider_impl.h"
 #include "content/browser/tracing/trace_message_filter.h"
 #include "content/browser/tracing/tracing_ui.h"
@@ -114,6 +115,8 @@ std::unique_ptr<base::DictionaryValue> GenerateTracingMetadataDict() {
 
   metadata_dict->SetString("network-type", GetNetworkTypeString());
   metadata_dict->SetString("product-version", GetContentClient()->GetProduct());
+  metadata_dict->SetString("v8-version", GetContentClient()->GetV8Version());
+  metadata_dict->SetString("revision", version_info::GetLastChange());

[clamy, 2016/06/24 11:32:12]

How does this work with non-Chrome embedders?

[Primiano Tucci (use gerrit), 2016/06/24 12:39:43]

version_info is not a chrome thingy. It's a component.

   metadata_dict->SetString("user-agent", GetContentClient()->GetUserAgent());
 
   // OS