Move the WebCacheManager call from BrowsingDataRemoverImpl to the delegate

chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.cc

 // Copyright 2016 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 "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
 
 #include <set>
 #include <string>
 #include <utility>
 
@@ skipping 47 matching lines @@
 #include "components/nacl/browser/pnacl_host.h"
 #include "components/ntp_snippets/bookmarks/bookmark_last_visit_utils.h"
 #include "components/ntp_snippets/content_suggestions_service.h"
 #include "components/omnibox/browser/omnibox_pref_names.h"
 #include "components/password_manager/core/browser/password_store.h"
 #include "components/prefs/pref_service.h"
 #include "components/previews/core/previews_ui_service.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/sessions/core/tab_restore_service.h"
 #include "components/translate/core/browser/language_model.h"
+#include "components/web_cache/browser/web_cache_manager.h"
 #include "content/public/browser/browsing_data_filter_builder.h"
 #include "content/public/browser/plugin_data_remover.h"
 #include "content/public/browser/ssl_host_state_delegate.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "net/cookies/cookie_store.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "url/url_util.h"
@@ skipping 714 matching lines @@
       autofill::PersonalDataManager* data_manager =
           autofill::PersonalDataManagerFactory::GetForProfile(profile_);
       if (data_manager)
         data_manager->Refresh();
     }
   }
 
   //////////////////////////////////////////////////////////////////////////////
   // DATA_TYPE_CACHE
   if (remove_mask & BrowsingDataRemover::DATA_TYPE_CACHE) {
+    // Tell the renderers to clear their cache.
+    // TODO(crbug.com/668114): Renderer cache is a platform concept, and should
+    // live in BrowsingDataRemoverImpl. However, WebCacheManager itself is
+    // a component with dependency on content/browser. Untangle these
+    // dependencies or reimplement the relevant part of WebCacheManager
+    // in content/browser.
+    web_cache::WebCacheManager::GetInstance()->ClearCache();
+
 #if !defined(DISABLE_NACL)
     clear_nacl_cache_.Start();
 
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ClearNaClCacheOnIOThread,
                    UIThreadTrampoline(
                        clear_nacl_cache_.GetCompletionCallback())));
 
     clear_pnacl_cache_.Start();
@@ skipping 302 matching lines @@
 }
 
 void ChromeBrowsingDataRemoverDelegate::
 OnDeauthorizeFlashContentLicensesCompleted(
     uint32_t request_id,
     bool /* success */) {
   DCHECK_EQ(request_id, deauthorize_flash_content_licenses_request_id_);
   clear_flash_content_licenses_.GetCompletionCallback().Run();
 }
 #endif