Slow Reports - Embed Metadata in Traces

chrome/browser/tracing/background_tracing_field_trial.cc

Index: chrome/browser/tracing/background_tracing_field_trial.cc
diff --git a/chrome/browser/tracing/background_tracing_field_trial.cc b/chrome/browser/tracing/background_tracing_field_trial.cc
index 4e827a94fdfa11acce574ffef614faddd482f1d5..5e63b58f34e85155b531228852fd467ff1811b6e 100644
--- a/chrome/browser/tracing/background_tracing_field_trial.cc
+++ b/chrome/browser/tracing/background_tracing_field_trial.cc
@@ -38,11 +38,13 @@ void OnUploadComplete(TraceCrashServiceUploader* uploader,
 
 void UploadCallback(const std::string& upload_url,
                     const scoped_refptr<base::RefCountedString>& file_contents,
+                    const std::map<std::string, std::string>& metadata,
                     base::Closure callback) {
   TraceCrashServiceUploader* uploader = new TraceCrashServiceUploader(
       g_browser_process->system_request_context());
 
   uploader->SetUploadURL(upload_url);
+  uploader->SetMetadata(metadata);
   uploader->DoUpload(
       file_contents->data(), base::Bind(&OnUploadProgress),
       base::Bind(&OnUploadComplete, base::Owned(uploader), callback));