[Remote suggestions] Measure separate data use for JSONs and thumbnails

components/ntp_snippets/remote/remote_suggestions_provider_impl.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 "components/ntp_snippets/remote/remote_suggestions_provider_impl.h"
 
 #include <algorithm>
 #include <iterator>
 #include <utility>
 
@@ skipping 155 matching lines @@
     : image_fetcher_(std::move(image_fetcher)),
       image_decoder_(std::move(image_decoder)),
       database_(database),
       thumbnail_requests_throttler_(
           pref_service,
           RequestThrottler::RequestType::CONTENT_SUGGESTION_THUMBNAIL) {
   // |image_fetcher_| can be null in tests.
   if (image_fetcher_) {
     image_fetcher_->SetImageFetcherDelegate(this);
     image_fetcher_->SetDataUseServiceName(
-        data_use_measurement::DataUseUserData::NTP_SNIPPETS);
+        data_use_measurement::DataUseUserData::NTP_SNIPPETS_THUMBNAILS);
   }
 }
 
 CachedImageFetcher::~CachedImageFetcher() {}
 
 void CachedImageFetcher::FetchSuggestionImage(
     const ContentSuggestion::ID& suggestion_id,
     const GURL& url,
     const ImageFetchedCallback& callback) {
   database_->LoadImage(
@@ skipping 1083 matching lines @@
 RemoteSuggestionsProviderImpl::CategoryContent::CategoryContent(
     CategoryContent&&) = default;
 
 RemoteSuggestionsProviderImpl::CategoryContent::~CategoryContent() = default;
 
 RemoteSuggestionsProviderImpl::CategoryContent&
 RemoteSuggestionsProviderImpl::CategoryContent::operator=(CategoryContent&&) =
     default;
 
 }  // namespace ntp_snippets