exo: Add support for importing YVU_420 buffers.

components/exo/display_unittest.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 "ash/common/shell_window_ids.h"
 #include "components/exo/buffer.h"
 #include "components/exo/display.h"
 #include "components/exo/shared_memory.h"
 #include "components/exo/shell_surface.h"
 #include "components/exo/sub_surface.h"
@@ skipping 61 matching lines @@
       base::ScopedFD(native_pixmap_handle.fd.fd), buffer_size,
       gfx::BufferFormat::RGBA_8888, native_pixmap_handle.stride);
   EXPECT_TRUE(buffer1);
 
   // Creating a prime buffer using an invalid fd should fail.
   std::unique_ptr<Buffer> buffer2 = display->CreateLinuxDMABufBuffer(
       base::ScopedFD(), buffer_size, gfx::BufferFormat::RGBA_8888,
       buffer_size.width() * 4);
   EXPECT_FALSE(buffer2);
 }
+
+// TODO(dcastagna): Add YV12 unittest once we can allocate the buffer
+// via Ozone. crbug.com/618516

[reveman, 2016/06/10 01:57:32]

Oh, we should add the other formats like RGB565 too.

[Daniele Castagna, 2016/06/10 02:08:24]

Will do in a follow-up CL.

+
 #endif
 
 TEST_F(DisplayTest, CreateShellSurface) {
   std::unique_ptr<Display> display(new Display);
 
   // Create two surfaces.
   std::unique_ptr<Surface> surface1 = display->CreateSurface();
   ASSERT_TRUE(surface1);
   std::unique_ptr<Surface> surface2 = display->CreateSurface();
   ASSERT_TRUE(surface2);
@@ skipping 115 matching lines @@
   // Attempting to create a sub surface for parent with grandchild as its parent
   // should fail.
   EXPECT_FALSE(display->CreateSubSurface(parent.get(), grandchild.get()));
 
   // Create a sub surface for parent.
   EXPECT_TRUE(display->CreateSubSurface(parent.get(), toplevel.get()));
 }
 
 }  // namespace
 }  // namespace exo