Add ClearHistory() to ContentSuggestionsService and its providers

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index 42156529798915316326dcd3fd59061224e0ff61..253558f452af3bd36c3b42597672bf6d049c85f1 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -490,6 +490,12 @@ void BrowsingDataRemover::RemoveImpl(
       "OriginTypeMask has been updated without updating user metrics");
 
   if ((remove_mask & REMOVE_HISTORY) && may_delete_history) {
+    ntp_snippets::ContentSuggestionsService* content_suggestions_service =
+        ContentSuggestionsServiceFactory::GetForProfile(profile_);
+    if (content_suggestions_service)

[Marc Treib, 2016/08/30 09:50:18]

Braces if the body doesn't fit on one line.

[vitaliii, 2016/08/30 11:04:21]

Done.

+      content_suggestions_service->ClearHistory(time_range.begin,
+                                                time_range.end);
+
     history::HistoryService* history_service =
         HistoryServiceFactory::GetForProfile(
             profile_, ServiceAccessType::EXPLICIT_ACCESS);