cc: Add gfx::BufferFormat to cc::ResourceProvider::Resource.

cc/ipc/struct_traits_unittest.cc

Index: cc/ipc/struct_traits_unittest.cc
diff --git a/cc/ipc/struct_traits_unittest.cc b/cc/ipc/struct_traits_unittest.cc
index 5647cb51ba8574db34dffc3bba8cb1e25022227c..00e401f02ab8e4f4adace3c4d1ff50ee64104e4d 100644
--- a/cc/ipc/struct_traits_unittest.cc
+++ b/cc/ipc/struct_traits_unittest.cc
@@ -227,11 +227,13 @@ TEST_F(StructTraitsTest, CompositorFrame) {
   // TransferableResource constants.
   const uint32_t tr_id = 1337;
   const ResourceFormat tr_format = ALPHA_8;
+  const gfx::BufferFormat tr_buffer_format = gfx::BufferFormat::R_8;
   const uint32_t tr_filter = 1234;
   const gfx::Size tr_size(1234, 5678);
   TransferableResource resource;
   resource.id = tr_id;
   resource.format = tr_format;
+  resource.buffer_format = tr_buffer_format;
   resource.filter = tr_filter;
   resource.size = tr_size;
 
@@ -265,6 +267,7 @@ TEST_F(StructTraitsTest, CompositorFrame) {
   TransferableResource out_resource = output.resource_list[0];
   EXPECT_EQ(tr_id, out_resource.id);
   EXPECT_EQ(tr_format, out_resource.format);
+  EXPECT_EQ(tr_buffer_format, out_resource.buffer_format);
   EXPECT_EQ(tr_filter, out_resource.filter);
   EXPECT_EQ(tr_size, out_resource.size);