Control new VideoEngine tests with gflags.

BUG=1703
R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1497005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4092 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/test/common/video_renderer.h b/video_engine/test/common/video_renderer.h
index 60ca786..6865d5a 100644
--- a/video_engine/test/common/video_renderer.h
+++ b/video_engine/test/common/video_renderer.h
@@ -17,7 +17,9 @@
 
 class VideoRenderer : public newapi::VideoRenderer {
  public:
-  static VideoRenderer* Create(const char* window_title);
+  static VideoRenderer* Create(const char* window_title,
+                               size_t width,
+                               size_t height);
   virtual ~VideoRenderer() {}
 };
 }  // test