content: Improve thread priority for raster threads.

chromecast/browser/cast_browser_main_parts.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 "chromecast/browser/cast_browser_main_parts.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include <string>
@@ skipping 197 matching lines @@
 #elif defined(ARCH_CPU_ARM_FAMILY)
   // On Linux arm, enable CMA pipeline by default.
   { switches::kEnableCmaMediaPipeline, "" },
 #if !defined(DISABLE_DISPLAY)
   { switches::kEnableHardwareOverlays, "" },
 #endif
 #endif
 #endif  // defined(OS_LINUX)
   // Enable prefixed EME until all Cast partner apps are moved off of it.
   { switches::kEnablePrefixedEncryptedMedia, "" },
-  // Needed to fix a bug where the raster thread doesn't get scheduled for a
-  // substantial time (~5 seconds).  See https://crbug.com/441895.
-  { switches::kUseNormalPriorityForTileTaskWorkerThreads, "" },
   // Needed so that our call to GpuDataManager::SetGLStrings doesn't race
   // against GPU process creation (which is otherwise triggered from
   // BrowserThreadsStarted).  The GPU process will be created as soon as a
   // renderer needs it, which always happens after main loop starts.
   { switches::kDisableGpuEarlyInit, "" },
   // Enable navigator.connection API.
   // TODO(derekjchow): Remove this switch when enabled by default.
   { switches::kEnableNetworkInformation, "" },
   { NULL, NULL },  // Termination
 };
@@ skipping 221 matching lines @@
 #if defined(USE_AURA)
   aura::Env::DeleteInstance();
 #endif
 
   DeregisterKillOnAlarm();
 #endif
 }
 
 }  // namespace shell
 }  // namespace chromecast