Clean up PlatformThread.

webrtc/modules/video_render/ios/video_render_ios_gles20.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 46 matching lines @@
  protected:
   static bool ScreenUpdateThreadProc(void* obj);
 
  private:
   bool RenderOffScreenBuffers();
   int SwapAndDisplayBuffers();
 
  private:
   rtc::scoped_ptr<CriticalSectionWrapper> gles_crit_sec_;
   EventTimerWrapper* screen_update_event_;
-  rtc::scoped_ptr<PlatformThread> screen_update_thread_;
+  // TODO(pbos): Remove scoped_ptr and use member directly.
+  rtc::scoped_ptr<rtc::PlatformThread> screen_update_thread_;
 
   VideoRenderIosView* view_;
   Rect window_rect_;
   int window_width_;
   int window_height_;
   bool is_full_screen_;
   GLint backing_width_;
   GLint backing_height_;
   GLuint view_renderbuffer_;
   GLuint view_framebuffer_;
   GLuint depth_renderbuffer_;
   std::map<int, VideoRenderIosChannel*> agl_channels_;
   std::multimap<int, int> z_order_to_channel_;
   EAGLContext* gles_context_;
   bool is_rendering_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_GLES20_H_