[Cast] Size-Adaptable platform video encoders.

chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js

Index: chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js
diff --git a/chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js b/chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js
index 5cdba8aee878c3f5fd8f3969b437388fc463fdd9..9db19495e35a60d1e95f38e2323bbdfa755fcdd7 100644
--- a/chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js
+++ b/chrome/test/data/extensions/api_test/cast_streaming/rtp_stream_error.js
@@ -39,9 +39,8 @@ chrome.test.runTests([
           udpTransport.destroy(udpId);
           console.log(msg);
         }.bind(null, audioId, videoId)));
-        // Invalid width and height.
-        videoParams.payload.width = 100;
-        videoParams.payload.height = 100;
+        // Specify invalid value to trigger error.
+        videoParams.payload.codecName = "Animated WebP";
         udpTransport.setDestination(udpId,
                                     {address: "127.0.0.1", port: 2344});
         rtpStream.start(videoId, videoParams);