Make the FakeWebRtcVideoCaptureModule class initialize frame data.

webrtc/media/engine/fakewebrtcvideocapturemodule.h

 /*
  *  Copyright (c) 2004 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 69 matching lines @@
   bool GetApplyRotation() override {
     return true;  // Rotation compensation is turned on.
   }
   VideoCaptureEncodeInterface* GetEncodeInterface(
       const webrtc::VideoCodec& codec) override {
     return NULL;  // not implemented
   }
 
   void SendFrame(int w, int h) {
     if (!running_) return;
-    webrtc::VideoFrame sample;
-    // Setting stride based on width.
-    sample.CreateEmptyFrame(w, h, w, (w + 1) / 2, (w + 1) / 2);
+
+    rtc::scoped_refptr<webrtc::I420Buffer> buffer =
+        new rtc::RefCountedObject<webrtc::I420Buffer>(w, h);
+    // Initialize memory to satisfy DrMemory tests. See
+    // https://bugs.chromium.org/p/libyuv/issues/detail?id=377
+    buffer->InitializeData();
     if (callback_) {
-      callback_->OnIncomingCapturedFrame(id_, sample);
+      callback_->OnIncomingCapturedFrame(
+          id_,
+          webrtc::VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0));
     }
   }
 
   const webrtc::VideoCaptureCapability& cap() const {
     return cap_;
   }
 
  private:
   FakeWebRtcVcmFactory* factory_;
   int id_;
   webrtc::VideoCaptureDataCallback* callback_;
   bool running_;
   webrtc::VideoCaptureCapability cap_;
   int delay_;
 };
 
 #endif  // WEBRTC_MEDIA_ENGINE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_