cricket::VideoFrame cleanup. New width() and height(). Deleted GetChroma* methods.

talk/app/webrtc/objc/RTCVideoRendererAdapter.mm

Index: talk/app/webrtc/objc/RTCVideoRendererAdapter.mm
diff --git a/talk/app/webrtc/objc/RTCVideoRendererAdapter.mm b/talk/app/webrtc/objc/RTCVideoRendererAdapter.mm
index a7f7e95d05f9d8dbe11acd598ae15206ff85de35..97876e7914615b2eed4d29d518acd1c512a256a2 100644
--- a/talk/app/webrtc/objc/RTCVideoRendererAdapter.mm
+++ b/talk/app/webrtc/objc/RTCVideoRendererAdapter.mm
@@ -46,7 +46,7 @@ class RTCVideoRendererNativeAdapter
 
   void OnFrame(const cricket::VideoFrame& videoFrame) override {
     const cricket::VideoFrame* frame = videoFrame.GetCopyWithRotationApplied();
-    CGSize currentSize = CGSizeMake(frame->GetWidth(), frame->GetHeight());
+    CGSize currentSize = CGSizeMake(frame->width(), frame->height());
     if (!CGSizeEqualToSize(_size, currentSize)) {
       _size = currentSize;
       [_adapter.videoRenderer setSize:_size];