VP9 wrapper: Adjust speed setting.

webrtc/modules/video_coding/codecs/vp9/vp9_impl.h

Index: webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
diff --git a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
index 5775952d60c9a76ae7519d5f63d693e3962a3ca7..c17c895613885629546a22ea0815fd58f40215d3 100644
--- a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
+++ b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
@@ -48,6 +48,9 @@ class VP9EncoderImpl : public VP9Encoder {
   // Determine number of encoder threads to use.
   int NumberOfThreads(int width, int height, int number_of_cores);
 
+  // Set the cpu_speed setting for encoder based on resolution and/or platform.
+  int SetCpuSpeed(int width, int height);
+
   // Call encoder initialize function and set control settings.
   int InitAndSetControlSettings(const VideoCodec* inst);