Add content type information to encoded images and corresponding rtp extension header

webrtc/modules/video_capture/test/video_capture_unittest.cc

Index: webrtc/modules/video_capture/test/video_capture_unittest.cc
diff --git a/webrtc/modules/video_capture/test/video_capture_unittest.cc b/webrtc/modules/video_capture/test/video_capture_unittest.cc
index d0c3ec9b257981c351e4536ca1e02ebec95174fa..6741ca162f2d7dd0e144647a3a3c49f1a3c8ed0d 100644
--- a/webrtc/modules/video_capture/test/video_capture_unittest.cc
+++ b/webrtc/modules/video_capture/test/video_capture_unittest.cc
@@ -108,7 +108,7 @@ class TestVideoCaptureCallback
 
   void SetExpectedCapability(VideoCaptureCapability capability) {
     CriticalSectionScoped cs(capture_cs_.get());
-    capability_= capability;
+    capability_ = capability;
     incoming_frames_ = 0;
     last_render_time_ms_ = 0;
   }
@@ -375,7 +375,8 @@ class VideoCaptureExternalTest : public testing::Test {
     memset(buffer->MutableDataV(), 127,
            ((kTestWidth + 1) / 2) * ((kTestHeight + 1) / 2));
     test_frame_.reset(
-        new webrtc::VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0));
+        new webrtc::VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0,
+                               webrtc::VideoContentType::kDefault));
 
     SleepMs(1);  // Wait 1ms so that two tests can't have the same timestamp.