Revert of TestCompositorFrameSink should use CompositorFrameSinkSupport

cc/layers/texture_layer_unittest.cc

Index: cc/layers/texture_layer_unittest.cc
diff --git a/cc/layers/texture_layer_unittest.cc b/cc/layers/texture_layer_unittest.cc
index a7c59ba9c8486aa1c6418f2465c34d6315436de7..998c6291e3b13e612b3a0908286e3eee16a23dc0 100644
--- a/cc/layers/texture_layer_unittest.cc
+++ b/cc/layers/texture_layer_unittest.cc
@@ -1176,16 +1176,6 @@
   void MailboxReleased(const gpu::SyncToken& sync_token, bool lost_resource) {
     EXPECT_TRUE(sync_token.HasData());
     ++mailbox_returned_;
-    switch (mailbox_returned_) {
-      case 1:
-        break;
-      case 2:
-        EXPECT_EQ(commit_count_, 5);
-        EndTest();
-        break;
-      default:
-        NOTREACHED();
-    }
   }
 
   void SetupTree() override {
@@ -1250,6 +1240,8 @@
         texture_layer_->ClearClient();
         break;
       case 5:
+        EXPECT_EQ(2, mailbox_returned_);
+        EndTest();
         break;
       default:
         NOTREACHED();