Add data usage tracking for feedback uploader, crash uploader, dom distiller

chrome/browser/tracing/crash_service_uploader.cc

Index: chrome/browser/tracing/crash_service_uploader.cc
diff --git a/chrome/browser/tracing/crash_service_uploader.cc b/chrome/browser/tracing/crash_service_uploader.cc
index ab677e509b3c73d42322470c82438686b91f5134..db9196ad69ba8ff9009b1e990991227f78aff59b 100644
--- a/chrome/browser/tracing/crash_service_uploader.cc
+++ b/chrome/browser/tracing/crash_service_uploader.cc
@@ -17,6 +17,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
@@ -310,6 +311,9 @@ void TraceCrashServiceUploader::CreateAndStartURLFetcher(
 
   url_fetcher_ =
       net::URLFetcher::Create(GURL(upload_url), net::URLFetcher::POST, this);
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      url_fetcher_.get(),
+      data_use_measurement::DataUseUserData::TRACING_CRASH_UPLOADER);

[oystein (OOO til 10th of July), 2016/10/14 22:15:59]

Yeah as primiano mentioned, I would just call this "TRACE_UPLOADER". The "crash"
part is an implementation detail (my bad on the naming :) ).

   url_fetcher_->SetRequestContext(request_context_);
   url_fetcher_->SetUploadData(content_type, post_data);
   url_fetcher_->Start();