Add EncodedImageCallback::OnEncodedImage().

webrtc/modules/rtp_rtcp/test/testAPI/test_api_video.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 129 matching lines @@
   uint32_t test_timestamp_;
   uint16_t test_sequence_number_;
   uint8_t  video_frame_[65000];
   size_t payload_data_length_;
   SimulatedClock fake_clock;
   RateLimiter retransmission_rate_limiter_;
 };
 
 TEST_F(RtpRtcpVideoTest, BasicVideo) {
   uint32_t timestamp = 3000;
-  EXPECT_EQ(0, video_module_->SendOutgoingData(kVideoFrameDelta, 123,
-                                               timestamp,
-                                               timestamp / 90,
-                                               video_frame_,
-                                               payload_data_length_));
+  EXPECT_TRUE(video_module_->SendOutgoingData(
+      kVideoFrameDelta, 123, timestamp, timestamp / 90, video_frame_,
+      payload_data_length_, nullptr, nullptr, nullptr));
 }
 
 TEST_F(RtpRtcpVideoTest, PaddingOnlyFrames) {
   const size_t kPadSize = 255;
   uint8_t padding_packet[kPadSize];
   uint32_t seq_num = 0;
   uint32_t timestamp = 3000;
   VideoCodec codec;
   codec.codecType = kVideoCodecVP8;
   codec.plType = kPayloadType;
@@ skipping 21 matching lines @@
                                                    payload_specific, true));
       EXPECT_EQ(0u, receiver_->payload_size());
       EXPECT_EQ(payload_length, receiver_->rtp_header().header.paddingLength);
     }
     timestamp += 3000;
     fake_clock.AdvanceTimeMilliseconds(33);
   }
 }
 
 }  // namespace webrtc