exo: Add support for importing YVU_420 buffers.

components/exo/display.cc

Index: components/exo/display.cc
diff --git a/components/exo/display.cc b/components/exo/display.cc
index 2accab24cb1b2ac053d0a415f0e747ba14d1a10d..083461b761eef1a4cf832b96345e8fa994cc7cb0 100644
--- a/components/exo/display.cc
+++ b/components/exo/display.cc
@@ -63,7 +63,8 @@ std::unique_ptr<Buffer> Display::CreateLinuxDMABufBuffer(
     base::ScopedFD fd,
     const gfx::Size& size,
     gfx::BufferFormat format,
-    int stride) {
+    const std::vector<int>& strides,
+    const std::vector<int>& offsets) {
   TRACE_EVENT1("exo", "Display::CreateLinuxDMABufBuffer", "size",
                size.ToString());
 
@@ -71,8 +72,8 @@ std::unique_ptr<Buffer> Display::CreateLinuxDMABufBuffer(
   handle.type = gfx::OZONE_NATIVE_PIXMAP;
   handle.native_pixmap_handle.fds.emplace_back(
       base::FileDescriptor(std::move(fd)));
-  handle.native_pixmap_handle.strides.push_back(stride);
-  handle.native_pixmap_handle.offsets.push_back(0);
+  handle.native_pixmap_handle.strides = strides;
+  handle.native_pixmap_handle.offsets = offsets;
 
   std::unique_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer =
       aura::Env::GetInstance()