Support DataSaver for SharedWorker

content/browser/service_worker/service_worker_process_manager.cc

 // Copyright 2014 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 "content/browser/service_worker/service_worker_process_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/common/service_worker/embedded_worker_settings.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/common/child_process_host.h"
 #include "content/public/common/content_client.h"
+#include "third_party/WebKit/public/web/WebDataSaverFlag.h"
 #include "url/gurl.h"
 
 namespace content {
 
 namespace {
 
 // Functor to sort by the .second element of a struct.
 struct SecondGreater {
   template <typename Value>
   bool operator()(const Value& lhs, const Value& rhs) {
@@ skipping 134 matching lines @@
                               const EmbeddedWorkerSettings&)>& callback) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&ServiceWorkerProcessManager::AllocateWorkerProcess,
                    weak_this_, embedded_worker_id, pattern, script_url,
                    can_use_existing_process, callback));
     return;
   }
 
-  // This |EmbeddedWorkerSettings| only populates |data_saver_enabled|,
+  // This |EmbeddedWorkerSettings| only populates |data_saver_flag|,
   // but in general, this function will populate settings from prefs, while
   // the caller will be responsible for populating settings from other sources,
   // such as command line switches.
   EmbeddedWorkerSettings settings;
-  settings.data_saver_enabled =
-      GetContentClient()->browser()->IsDataSaverEnabled(browser_context_);
+  settings.data_saver_flag =
+      GetContentClient()->browser()->IsDataSaverEnabled(browser_context_)
+          ? blink::WebDataSaverFlag::kEnabled
+          : blink::WebDataSaverFlag::kDisabled;
 
   if (process_id_for_test_ != ChildProcessHost::kInvalidUniqueID) {
     // Let tests specify the returned process ID. Note: We may need to be able
     // to specify the error code too.
     int result = can_use_existing_process ? process_id_for_test_
                                           : new_process_id_for_test_;
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                             base::Bind(callback, SERVICE_WORKER_OK, result,
                                        false /* is_new_process */, settings));
     return;
@@ skipping 148 matching lines @@
 namespace std {
 // Destroying ServiceWorkerProcessManagers only on the UI thread allows the
 // member WeakPtr to safely guard the object's lifetime when used on that
 // thread.
 void default_delete<content::ServiceWorkerProcessManager>::operator()(
     content::ServiceWorkerProcessManager* ptr) const {
   content::BrowserThread::DeleteSoon(
       content::BrowserThread::UI, FROM_HERE, ptr);
 }
 }  // namespace std