Cleanup of webrtc::VideoFrame.

webrtc/modules/video_capture/video_capture_impl.cc

Index: webrtc/modules/video_capture/video_capture_impl.cc
diff --git a/webrtc/modules/video_capture/video_capture_impl.cc b/webrtc/modules/video_capture/video_capture_impl.cc
index 3013a7def06042c3c9e5e3f6e46b92a385b1d29b..81f6311e650659a5835dffef472ed355522ba3c7 100644
--- a/webrtc/modules/video_capture/video_capture_impl.cc
+++ b/webrtc/modules/video_capture/video_capture_impl.cc
@@ -278,16 +278,10 @@ int32_t VideoCaptureImpl::IncomingFrame(
         // Setting absolute height (in case it was negative).
         // In Windows, the image starts bottom left, instead of top left.
         // Setting a negative source height, inverts the image (within LibYuv).
-        int ret = _captureFrame.CreateEmptyFrame(target_width,
-                                                 abs(target_height),
-                                                 stride_y,
-                                                 stride_uv, stride_uv);
-        if (ret < 0)
-        {
-            LOG(LS_ERROR) << "Failed to create empty frame, this should only "
-                             "happen due to bad parameters.";
-            return -1;
-        }
+        _captureFrame.CreateEmptyFrame(target_width,
+                                       abs(target_height),
+                                       stride_y,
+                                       stride_uv, stride_uv);
         const int conversionResult = ConvertToI420(
             commonVideoType, videoFrame, 0, 0,  // No cropping
             width, height, videoFrameLength,