Add YUV_420_BIPLANAR to gfx::BufferFormat.

cc/test/test_gpu_memory_buffer_manager.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 "cc/test/test_gpu_memory_buffer_manager.h"
 
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
@@ skipping 11 matching lines @@
     case gfx::BufferFormat::RGBA_4444:
     case gfx::BufferFormat::RGBA_8888:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::BGRA_8888:
       return 1;
     case gfx::BufferFormat::YUV_420: {
       static size_t factor[] = {1, 2, 2};
       DCHECK_LT(static_cast<size_t>(plane), arraysize(factor));
       return factor[plane];
     }
+    case gfx::BufferFormat::YUV_420_BIPLANAR: {
+      static size_t factor[] = {1, 2};
+      DCHECK_LT(static_cast<size_t>(plane), arraysize(factor));
+      return factor[plane];
+    }
   }
   NOTREACHED();
   return 0;
 }
 
 size_t StrideInBytes(size_t width, gfx::BufferFormat format, int plane) {
   switch (format) {
     case gfx::BufferFormat::ATCIA:
     case gfx::BufferFormat::DXT5:
       DCHECK_EQ(plane, 0);
       return width;
     case gfx::BufferFormat::ATC:
     case gfx::BufferFormat::DXT1:
     case gfx::BufferFormat::ETC1:
       DCHECK_EQ(plane, 0);
       DCHECK_EQ(width % 2, 0u);
       return width / 2;
     case gfx::BufferFormat::R_8:
       return (width + 3) & ~0x3;
     case gfx::BufferFormat::RGBA_4444:
       DCHECK_EQ(plane, 0);
       return width * 2;
     case gfx::BufferFormat::RGBA_8888:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::BGRA_8888:
       DCHECK_EQ(plane, 0);
       return width * 4;
     case gfx::BufferFormat::YUV_420:
       return width / SubsamplingFactor(format, plane);
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+      return width;
   }
   NOTREACHED();
   return 0;
 }
 
 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) {
   size_t size_in_bytes = 0;
   int num_planes =
       static_cast<int>(gfx::GpuMemoryBuffer::NumberOfPlanes(format));
   for (int i = 0; i < num_planes; ++i) {
@@ skipping 88 matching lines @@
     ClientBuffer buffer) {
   return reinterpret_cast<gfx::GpuMemoryBuffer*>(buffer);
 }
 
 void TestGpuMemoryBufferManager::SetDestructionSyncPoint(
     gfx::GpuMemoryBuffer* buffer,
     uint32 sync_point) {
 }
 
 }  // namespace cc