Handle scaling frames in RTCVideoEncoder

media/renderers/mock_gpu_video_accelerator_factories.cc

 // Copyright 2013 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/renderers/mock_gpu_video_accelerator_factories.h"
 
 #include "base/memory/ptr_util.h"
 #include "ui/gfx/buffer_format_util.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
@@ skipping 83 matching lines @@
     const gfx::Size& size,
     gfx::BufferFormat format,
     gfx::BufferUsage /* usage */) {
   if (fail_to_allocate_gpu_memory_buffer_)
     return nullptr;
   return base::WrapUnique(new GpuMemoryBufferImpl(size, format));
 }
 
 std::unique_ptr<base::SharedMemory>
 MockGpuVideoAcceleratorFactories::CreateSharedMemory(size_t size) {
+  std::unique_ptr<base::SharedMemory> shared_memory(new base::SharedMemory);
+  if (shared_memory->CreateAndMapAnonymous(size))
+    return shared_memory;
   return nullptr;
 }
 
 std::unique_ptr<VideoDecodeAccelerator>
 MockGpuVideoAcceleratorFactories::CreateVideoDecodeAccelerator() {
   return base::WrapUnique(DoCreateVideoDecodeAccelerator());
 }
 
 std::unique_ptr<VideoEncodeAccelerator>
 MockGpuVideoAcceleratorFactories::CreateVideoEncodeAccelerator() {
@@ skipping 25 matching lines @@
 };
 }  // namespace
 
 std::unique_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock>
 MockGpuVideoAcceleratorFactories::GetGLContextLock() {
   DCHECK(gles2_);
   return base::WrapUnique(new ScopedGLContextLockImpl(this));
 }
 
 }  // namespace media