gl: Add YVU_420 support to GLImageOzoneNativePixmap.

ui/ozone/platform/headless/headless_surface_factory.cc

 // Copyright 2015 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 "ui/ozone/platform/headless/headless_surface_factory.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/macros.h"
@@ skipping 54 matching lines @@
   base::FilePath location_;
   sk_sp<SkSurface> surface_;
 };
 
 class TestPixmap : public ui::NativePixmap {
  public:
   TestPixmap(gfx::BufferFormat format) : format_(format) {}
 
   void* GetEGLClientBuffer() const override { return nullptr; }
   bool AreDmaBufFdsValid() const override { return false; }
+  size_t GetDmaBufFdCount() const override { return 0; }
   int GetDmaBufFd(size_t plane) const override { return -1; }
   int GetDmaBufPitch(size_t plane) const override { return 0; }
   int GetDmaBufOffset(size_t plane) const override { return 0; }
   gfx::BufferFormat GetBufferFormat() const override { return format_; }
   gfx::Size GetBufferSize() const override { return gfx::Size(); }
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int plane_z_order,
                             gfx::OverlayTransform plane_transform,
                             const gfx::Rect& display_bounds,
                             const gfx::RectF& crop_rect) override {
@@ skipping 38 matching lines @@
 
 scoped_refptr<NativePixmap> HeadlessSurfaceFactory::CreateNativePixmap(
     gfx::AcceleratedWidget widget,
     gfx::Size size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage) {
   return new TestPixmap(format);
 }
 
 }  // namespace ui