Let ViEEncoder express resolution requests as Sinkwants

webrtc/test/fake_encoder.cc

Index: webrtc/test/fake_encoder.cc
diff --git a/webrtc/test/fake_encoder.cc b/webrtc/test/fake_encoder.cc
index ac1c6dec691ea2f4522722e160dbabd5c988f529..9321e4cd6f62492ed9966edad74c2eb178b4e4d4 100644
--- a/webrtc/test/fake_encoder.cc
+++ b/webrtc/test/fake_encoder.cc
@@ -204,10 +204,20 @@ DelayedEncoder::DelayedEncoder(Clock* clock, int delay_ms)
     : test::FakeEncoder(clock),
       delay_ms_(delay_ms) {}
 
+void DelayedEncoder::SetDelay(int delay_ms) {
+  rtc::CritScope lock(&lock_);
+  delay_ms_ = delay_ms;
+}
+
 int32_t DelayedEncoder::Encode(const VideoFrame& input_image,
                                const CodecSpecificInfo* codec_specific_info,
                                const std::vector<FrameType>* frame_types) {
-  SleepMs(delay_ms_);
+  int delay_ms = 0;
+  {
+    rtc::CritScope lock(&lock_);
+    delay_ms = delay_ms_;
+  }
+  SleepMs(delay_ms);
   return FakeEncoder::Encode(input_image, codec_specific_info, frame_types);
 }
 }  // namespace test