exo::CompositorFrameSinkHolder's release callbacks hold ref

components/exo/buffer_unittest.cc

Index: components/exo/buffer_unittest.cc
diff --git a/components/exo/buffer_unittest.cc b/components/exo/buffer_unittest.cc
index 987c29056538f8a580c6c9eedddd5c5583d68a9d..af1c24018d16d9f4f0886de10866b29e0ab3aa19 100644
--- a/components/exo/buffer_unittest.cc
+++ b/components/exo/buffer_unittest.cc
@@ -41,7 +41,7 @@ TEST_F(BufferTest, ReleaseCallback) {
   // Produce a texture mailbox for the contents of the buffer.
   cc::TextureMailbox texture_mailbox;
   std::unique_ptr<cc::SingleReleaseCallback> buffer_release_callback =
-      buffer->ProduceTextureMailbox(&texture_mailbox, false, true);
+      buffer->ProduceTextureMailbox(&texture_mailbox, false, true, nullptr);
   ASSERT_TRUE(buffer_release_callback);
 
   // Release buffer.
@@ -64,7 +64,7 @@ TEST_F(BufferTest, IsLost) {
   // Acquire a texture mailbox for the contents of the buffer.
   cc::TextureMailbox texture_mailbox;
   std::unique_ptr<cc::SingleReleaseCallback> buffer_release_callback =
-      buffer->ProduceTextureMailbox(&texture_mailbox, false, true);
+      buffer->ProduceTextureMailbox(&texture_mailbox, false, true, nullptr);
   ASSERT_TRUE(buffer_release_callback);
 
   scoped_refptr<cc::ContextProvider> context_provider =
@@ -83,7 +83,7 @@ TEST_F(BufferTest, IsLost) {
 
   // Producing a new texture mailbox for the contents of the buffer.
   std::unique_ptr<cc::SingleReleaseCallback> buffer_release_callback2 =
-      buffer->ProduceTextureMailbox(&texture_mailbox, false, false);
+      buffer->ProduceTextureMailbox(&texture_mailbox, false, false, nullptr);
   ASSERT_TRUE(buffer_release_callback2);
   buffer->OnDetach();