FakeVideoCaptureDevice: add support for capturing into Dma-Bufs using VGEM in CrOs

content/browser/renderer_host/media/video_capture_buffer_pool_unittest.cc

 // Copyright (c) 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.
 
 // Unit test for VideoCaptureBufferPool.
 
 #include "content/browser/renderer_host/media/video_capture_buffer_pool.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
@@ skipping 40 matching lines @@
       EXPECT_EQ(mapped_, true);
       mapped_ = false;
     }
     bool IsMapped() const override { return mapped_; }
     Format GetFormat() const override { return BGRA_8888; }
     void GetStride(int* stride) const override {
       *stride = size_.width() * 4;
       return;
     }
     gfx::GpuMemoryBufferHandle GetHandle() const override {
-      return gfx::GpuMemoryBufferHandle();
+      gfx::GpuMemoryBufferHandle handle;
+      handle.type = gfx::SHARED_MEMORY_BUFFER;
+      return handle;
     }
     ClientBuffer AsClientBuffer() override { return nullptr; }
 
    private:
     const gfx::Size size_;
     uint8* const data_;
     bool mapped_;
   };
 
 #if !defined(OS_ANDROID)
@@ skipping 230 matching lines @@
   if (buffer4->data() != nullptr)
     memset(buffer4->data(), 0x77, buffer4->size());
   buffer4.reset();
 }
 
 INSTANTIATE_TEST_CASE_P(,
                         VideoCaptureBufferPoolTest,
                         testing::ValuesIn(kCaptureFormats));
 
 } // namespace content