Rename MediaStreamVideoSource:GetCurrentFormatImpl() to GetCurrentFormat()

content/renderer/pepper/pepper_media_stream_video_track_host.cc

Index: content/renderer/pepper/pepper_media_stream_video_track_host.cc
diff --git a/content/renderer/pepper/pepper_media_stream_video_track_host.cc b/content/renderer/pepper/pepper_media_stream_video_track_host.cc
index c9e0859a053284fd71785b5088d00b8db2e4ee62..b486a17faf55b55a9d69febb04cf3b9968b4859e 100644
--- a/content/renderer/pepper/pepper_media_stream_video_track_host.cc
+++ b/content/renderer/pepper/pepper_media_stream_video_track_host.cc
@@ -428,8 +428,7 @@ class PepperMediaStreamVideoTrackHost::VideoSource final
   }
 
  private:
-  base::Optional<media::VideoCaptureFormat> GetCurrentFormatImpl()
-      const override {
+  base::Optional<media::VideoCaptureFormat> GetCurrentFormat() const override {
     if (host_) {
       return base::Optional<media::VideoCaptureFormat>(
           media::VideoCaptureFormat(