Deleted VideoCapturer::screencast_max_pixels and related unused code.

talk/session/media/channel.h

Index: talk/session/media/channel.h
diff --git a/talk/session/media/channel.h b/talk/session/media/channel.h
index 8faefe6d7b570c69185410237f04d68db28a5b8b..29e77a09c6b6ecec3e79595d39e7894a8f49dc5c 100644
--- a/talk/session/media/channel.h
+++ b/talk/session/media/channel.h
@@ -464,8 +464,6 @@ class VideoChannel : public BaseChannel {
   // True if we've added a screencast.  Doesn't matter if the capturer
   // has been started or not.
   bool IsScreencasting();
-  int GetScreencastFps(uint32_t ssrc);
-  int GetScreencastMaxPixels(uint32_t ssrc);
   // Get statistics about the current media session.
   bool GetStats(VideoMediaInfo* stats);
 
@@ -484,7 +482,6 @@ class VideoChannel : public BaseChannel {
 
  private:
   typedef std::map<uint32_t, VideoCapturer*> ScreencastMap;
-  struct ScreencastDetailsData;
 
   // overrides from BaseChannel
   virtual void ChangeState();
@@ -501,7 +498,6 @@ class VideoChannel : public BaseChannel {
   bool RemoveScreencast_w(uint32_t ssrc);
   void OnScreencastWindowEvent_s(uint32_t ssrc, rtc::WindowEvent we);
   bool IsScreencasting_w() const;
-  void GetScreencastDetails_w(ScreencastDetailsData* d) const;
   bool GetStats_w(VideoMediaInfo* stats);
 
   virtual void OnMessage(rtc::Message* pmsg);