Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations

content/browser/devtools/render_frame_devtools_agent_host.cc

 // Copyright (c) 2012 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/devtools/render_frame_devtools_agent_host.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 21 matching lines @@
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/power_save_blocker_impl.h"
-#include "content/public/browser/power_save_blocker_factory.h"
 #include "content/public/browser/render_widget_host_view.h"
 #endif
 
 namespace content {
 
 typedef std::vector<RenderFrameDevToolsAgentHost*> Instances;
 
 namespace {
 base::LazyInstance<Instances>::Leaky g_instances = LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 438 matching lines @@
     pending_->InspectElement(x, y);
 }
 
 void RenderFrameDevToolsAgentHost::OnClientAttached() {
   if (!web_contents())
     return;
 
   frame_trace_recorder_.reset(new DevToolsFrameTraceRecorder());
 #if defined(OS_ANDROID)
   power_save_blocker_.reset(static_cast<PowerSaveBlockerImpl*>(
-      CreatePowerSaveBlocker(
+      PowerSaveBlocker::Create(
           PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
-          PowerSaveBlocker::kReasonOther, "DevTools")
-          .release()));
+          PowerSaveBlocker::kReasonOther, "DevTools").release()));
   power_save_blocker_->InitDisplaySleepBlocker(web_contents());
 #endif
 
   // TODO(kaznacheev): Move this call back to DevToolsManager when
   // extensions::ProcessManager no longer relies on this notification.
   DevToolsAgentHostImpl::NotifyCallbacks(this, true);
 }
 
 void RenderFrameDevToolsAgentHost::OnClientDetached() {
 #if defined(OS_ANDROID)
@@ skipping 393 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content