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

components/dom_distiller/core/distiller_url_fetcher.cc

 // Copyright 2013 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 "components/dom_distiller/core/distiller_url_fetcher.h"
 
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
 
 using net::URLFetcher;
 
 namespace dom_distiller {
@@ skipping 24 matching lines @@
   callback_ = callback;
   url_fetcher_ = CreateURLFetcher(context_getter_, url);
   url_fetcher_->Start();
 }
 
 std::unique_ptr<URLFetcher> DistillerURLFetcher::CreateURLFetcher(
     net::URLRequestContextGetter* context_getter,
     const std::string& url) {
   std::unique_ptr<net::URLFetcher> fetcher =
       URLFetcher::Create(GURL(url), URLFetcher::GET, this);
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      fetcher.get(), data_use_measurement::DataUseUserData::DOM_DISTILLER);
   fetcher->SetRequestContext(context_getter);
   static const int kMaxRetries = 5;
   fetcher->SetMaxRetriesOn5xx(kMaxRetries);
   return fetcher;
 }
 
 void DistillerURLFetcher::OnURLFetchComplete(
     const URLFetcher* source) {
   std::string response;
   if (source && source->GetStatus().is_success() &&
       source->GetResponseCode() == net::HTTP_OK) {
     // Only copy over the data if the request was successful. Insert
     // an empty string into the proto otherwise.
     source->GetResponseAsString(&response);
   }
   callback_.Run(response);
 }
 
 }  // namespace dom_distiller