VideoCaptureBufferPool: Refactor to allow support of non-ShMem backed buffers

media/video/capture/fake_video_capture_device_unittest.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/thread.h"
 #include "media/base/video_capture_types.h"
@@ skipping 57 matching lines @@
   // Client virtual method for capturing using Device Buffers.
   void OnIncomingCapturedData(const uint8* data,
                               int length,
                               const VideoCaptureFormat& format,
                               int rotation,
                               const base::TimeTicks& timestamp) {
     frame_cb_.Run(format);
   }
 
   // Virtual methods for capturing using Client's Buffers.
-  scoped_refptr<Buffer> ReserveOutputBuffer(VideoFrame::Format format,
+  scoped_refptr<Buffer> ReserveOutputBuffer(media::VideoPixelFormat format,
                                             const gfx::Size& dimensions) {
-    EXPECT_EQ(format, VideoFrame::I420);
+    EXPECT_EQ(format, PIXEL_FORMAT_I420);
     EXPECT_GT(dimensions.GetArea(), 0);
-    return make_scoped_refptr(
-        new MockBuffer(0, VideoFrame::AllocationSize(format, dimensions)));
+    return make_scoped_refptr(new MockBuffer(0, dimensions.GetArea() * 3 / 2));
   }
   void OnIncomingCapturedVideoFrame(
       const scoped_refptr<Buffer>& buffer,
       const scoped_refptr<media::VideoFrame>& frame,
       const base::TimeTicks& timestamp) {
     VideoCaptureFormat format(frame->natural_size(), 30.0, PIXEL_FORMAT_I420);
     frame_cb_.Run(format);
   }
 
  private:
@@ skipping 116 matching lines @@
     EXPECT_EQ(supported_formats[2].pixel_format, PIXEL_FORMAT_I420);
     EXPECT_GE(supported_formats[2].frame_rate, 20.0);
     EXPECT_EQ(supported_formats[3].frame_size.width(), 1920);
     EXPECT_EQ(supported_formats[3].frame_size.height(), 1080);
     EXPECT_EQ(supported_formats[3].pixel_format, PIXEL_FORMAT_I420);
     EXPECT_GE(supported_formats[3].frame_rate, 20.0);
   }
 }
 
 };  // namespace media