Remove unused include in sequenced_worker_pool.h

media/renderers/video_overlay_factory.cc

 // Copyright 2015 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 "media/renderers/video_overlay_factory.h"
 
+#include "base/single_thread_task_runner.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "media/base/video_frame.h"
 #include "media/renderers/gpu_video_accelerator_factories.h"
 
 namespace media {
 
 class VideoOverlayFactory::Texture {
@@ skipping 94 matching lines @@
     return nullptr;
 
   // Lazily create overlay texture.
   if (!texture_)
     texture_.reset(new Texture(gpu_factories_));
 
   return texture_->IsValid() ? texture_.get() : nullptr;
 }
 
 }  // namespace media