Reland of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file ops

content/browser/loader/power_save_block_resource_throttle.cc

 // Copyright (c) 2013 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/loader/power_save_block_resource_throttle.h"
 
-#include "content/public/browser/power_save_blocker.h"
+#include "content/public/browser/power_save_blocker_factory.h"
 
 namespace content {
 
 namespace {
 
 const int kPowerSaveBlockDelaySeconds = 30;
 
 }  // namespace
 
 PowerSaveBlockResourceThrottle::PowerSaveBlockResourceThrottle(
@@ skipping 15 matching lines @@
   // Stop blocking power save after request finishes.
   power_save_blocker_.reset();
   timer_.Stop();
 }
 
 const char* PowerSaveBlockResourceThrottle::GetNameForLogging() const {
   return "PowerSaveBlockResourceThrottle";
 }
 
 void PowerSaveBlockResourceThrottle::ActivatePowerSaveBlocker() {
-  power_save_blocker_ = PowerSaveBlocker::Create(
+  power_save_blocker_ = CreatePowerSaveBlocker(
       PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
       PowerSaveBlocker::kReasonOther, "Uploading data to " + host_);
 }
 
 }  // namespace content