Update FakeVp8Encoder to use GetEncoderInfo

Bug: webrtc:9890
Change-Id: If4b772de45e2a1917c2c1dc8a214bcaa4499bda3
Reviewed-on: https://webrtc-review.googlesource.com/c/111061
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25661}

test/fake_vp8_encoder.cc

@@ -134,5 +134,11 @@ EncodedImageCallback::Result FakeVP8Encoder::OnEncodedImage(
                                    fragments);
 }
 
+VideoEncoder::EncoderInfo FakeVP8Encoder::GetEncoderInfo() const {
+  EncoderInfo info;
+  info.implementation_name = "FakeVp8Encoder";
+  return info;
+}
+
 }  // namespace test
 }  // namespace webrtc

test/fake_vp8_encoder.h

@@ -37,12 +37,12 @@ class FakeVP8Encoder : public FakeEncoder, public EncodedImageCallback {
 
   int32_t Release() override;
 
-  const char* ImplementationName() const override { return "FakeVp8Encoder"; }
-
   Result OnEncodedImage(const EncodedImage& encodedImage,
                         const CodecSpecificInfo* codecSpecificInfo,
                         const RTPFragmentationHeader* fragments) override;
 
+  EncoderInfo GetEncoderInfo() const override;
+
  private:
   void SetupTemporalLayers(const VideoCodec& codec);
   void PopulateCodecSpecific(CodecSpecificInfo* codec_specific,