Add manual tests to benchmark VP8 & VP9 encode performance.

remoting/codec/codec_test.h

Index: remoting/codec/codec_test.h
diff --git a/remoting/codec/codec_test.h b/remoting/codec/codec_test.h
index e7e055f12dafcbb24e0ae93801c7a7b3fa16f7f0..9c9ec7bf83b20c5d8ab2c9e500964f7f1e9b7962 100644
--- a/remoting/codec/codec_test.h
+++ b/remoting/codec/codec_test.h
@@ -5,9 +5,12 @@
 #ifndef REMOTING_CODEC_CODEC_TEST_H_
 #define REMOTING_CODEC_CODEC_TEST_H_
 
+#include <list>
+
 #include "base/memory/ref_counted.h"
 
 namespace webrtc {
+class DesktopFrame;
 class DesktopSize;
 }
 
@@ -40,6 +43,16 @@ void TestVideoEncoderDecoderGradient(VideoEncoder* encoder,
                                      double max_error_limit,
                                      double mean_error_limit);
 
+// Run sufficient encoding iterations to measure the FPS of the specified
+// encoder. The caller may supply one or more DesktopFrames to encode, which
+// will be cycled through until timing is complete. If the caller does not
+// supply any frames then a single full-frame of randomized pixels is used.
+float MeasureVideoEncoderFpsWithSize(VideoEncoder* encoder,
+                                     const webrtc::DesktopSize& size);
+float MeasureVideoEncoderFpsWithFrames(
+    VideoEncoder* encoder,
+    const std::list<webrtc::DesktopFrame*>& frames);
+
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_CODEC_TEST_H_