Handle scaling frames in RTCVideoEncoder

media/video/mock_video_encode_accelerator.cc

Index: media/video/mock_video_encode_accelerator.cc
diff --git a/media/video/mock_video_encode_accelerator.cc b/media/video/mock_video_encode_accelerator.cc
new file mode 100644
index 0000000000000000000000000000000000000000..80113032e6663b8c5d41ece74ce707f8dd39ca6a
--- /dev/null
+++ b/media/video/mock_video_encode_accelerator.cc
@@ -0,0 +1,23 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/video/mock_video_encode_accelerator.h"
+
+namespace media {
+
+using ::testing::Invoke;
+
+MockVideoEncodeAccelerator::MockVideoEncodeAccelerator() {
+  // Delete |this| when Destroy() is called.
+  ON_CALL(*this, Destroy())
+      .WillByDefault(Invoke(this, &MockVideoEncodeAccelerator::DeleteThis));
+}
+
+MockVideoEncodeAccelerator::~MockVideoEncodeAccelerator() {}
+
+void MockVideoEncodeAccelerator::DeleteThis() {
+  delete this;
+}
+
+}  // namespace media