Move the WebCacheManager call from BrowsingDataRemoverImpl to the delegate

chrome/browser/browsing_data/browsing_data_remover_impl.cc

Index: chrome/browser/browsing_data/browsing_data_remover_impl.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_impl.cc b/chrome/browser/browsing_data/browsing_data_remover_impl.cc
index c0ea686cf717844398dabde980e5c123dbb8f053..0570ff28b77494e75bdb3a1806ed7726203c93d9 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_impl.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_impl.cc
@@ -20,7 +20,6 @@
 #include "chrome/common/pref_names.h"
 #include "components/browsing_data/content/storage_partition_http_cache_data_remover.h"
 #include "components/prefs/pref_service.h"
-#include "components/web_cache/browser/web_cache_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/browsing_data_filter_builder.h"
@@ -515,11 +514,10 @@ void BrowsingDataRemoverImpl::RemoveImpl(
   //////////////////////////////////////////////////////////////////////////////
   // CACHE
   if (remove_mask & DATA_TYPE_CACHE) {
-    // Tell the renderers to clear their cache.
-    web_cache::WebCacheManager::GetInstance()->ClearCache();
-
     content::RecordAction(UserMetricsAction("ClearBrowsingData_Cache"));
 
+    // TODO(msramek): Clear the cache of all renderers.
+
     clear_cache_.Start();
     // StoragePartitionHttpCacheDataRemover deletes itself when it is done.
     if (filter_builder.IsEmptyBlacklist()) {