Flash: On activity, prevent display sleep, not just system sleep

chrome/browser/renderer_host/pepper/pepper_flash_browser_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 "chrome/browser/renderer_host/pepper/pepper_flash_browser_host.h"
 
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/content_settings/cookie_settings_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 71 matching lines @@
 }
 
 void PepperFlashBrowserHost::OnDelayTimerFired() {
   power_save_blocker_.reset();
 }
 
 int32_t PepperFlashBrowserHost::OnUpdateActivity(
     ppapi::host::HostMessageContext* host_context) {
   if (!power_save_blocker_) {
     power_save_blocker_.reset(new device::PowerSaveBlocker(
-        device::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
+        device::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
         device::PowerSaveBlocker::kReasonOther, "Requested By PepperFlash",
         BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
         BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE)));
   }
   // There is no specification for how long OnUpdateActivity should prevent the
   // screen from going to sleep. Empirically, twitch.tv calls this method every
   // 10 seconds. Be conservative and allow 45 seconds (set in |delay_timer_|'s
   // ctor) before deleting the block.
   delay_timer_.Reset();
   return PP_OK;
@@ skipping 60 matching lines @@
       restrictions = PP_FLASHLSORESTRICTIONS_BLOCK;
     else if (cookie_settings_->IsCookieSessionOnly(plugin_url))
       restrictions = PP_FLASHLSORESTRICTIONS_IN_MEMORY;
   }
   SendReply(reply_context,
             PpapiPluginMsg_Flash_GetLocalDataRestrictionsReply(
                 static_cast<int32_t>(restrictions)));
 }
 
 }  // namespace chrome