Use PowerSaveBlocker for audio and video on Chrome OS.

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 "base/basictypes.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 193 matching lines @@
   // extensions::ProcessManager no longer relies on this notification.
   if (!reattaching_)
     DevToolsAgentHostImpl::NotifyCallbacks(this, true);
 }
 
 void RenderFrameDevToolsAgentHost::InnerOnClientAttached() {
   ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadRawCookies(
       render_frame_host_->GetProcess()->GetID());
 
 #if defined(OS_ANDROID)
-  power_save_blocker_.reset(
-      static_cast<PowerSaveBlockerImpl*>(
-          PowerSaveBlocker::Create(
-              PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
-              "DevTools").release()));
+  power_save_blocker_.reset(static_cast<PowerSaveBlockerImpl*>(
+      PowerSaveBlocker::Create(
+          PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
+          PowerSaveBlocker::kReasonOther, "DevTools").release()));
   RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
       render_frame_host_->GetRenderViewHost());
   if (rvh->GetView()) {
     power_save_blocker_.get()->
         InitDisplaySleepBlocker(rvh->GetView()->GetNativeView());
   }
 #endif
 }
 
 void RenderFrameDevToolsAgentHost::OnClientDetached() {
@@ skipping 295 matching lines @@
 }
 
 void RenderFrameDevToolsAgentHost::DispatchOnInspectorFrontend(
     const std::string& message) {
   if (!IsAttached() || !render_frame_host_)
     return;
   SendMessageToClient(message);
 }
 
 }  // namespace content