Plumb decoded video pixel format from GPU process to renderer.

media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc

Index: media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
diff --git a/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc b/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
index e4c7711941a9b8ebd3c10d20687e4c43b618e83a..e19d347aad0e62accc08b3a9aedd7d5ec0ba3660 100644
--- a/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
+++ b/media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc
@@ -211,6 +211,7 @@ void GpuVideoDecodeAcceleratorHost::OnBitstreamBufferProcessed(
 
 void GpuVideoDecodeAcceleratorHost::OnProvidePictureBuffer(
     uint32_t num_requested_buffers,
+    VideoPixelFormat format,
     uint32_t textures_per_buffer,
     const gfx::Size& dimensions,
     uint32_t texture_target) {
@@ -224,8 +225,9 @@ void GpuVideoDecodeAcceleratorHost::OnProvidePictureBuffer(
   }
 
   if (client_) {
-    client_->ProvidePictureBuffers(num_requested_buffers, textures_per_buffer,
-                                   dimensions, texture_target);
+    client_->ProvidePictureBuffers(num_requested_buffers, format,
+                                   textures_per_buffer, dimensions,
+                                   texture_target);
   }
 }