Update from https://crrev.com/307330

cc/test/layer_tree_test.h

Index: cc/test/layer_tree_test.h
diff --git a/cc/test/layer_tree_test.h b/cc/test/layer_tree_test.h
index ba2ef6979e25687c4ca4d27b6ab5d65514184288..863100b3c2d3b5ec9cac8f805d286dd236723111 100644
--- a/cc/test/layer_tree_test.h
+++ b/cc/test/layer_tree_test.h
@@ -176,7 +176,6 @@ class LayerTreeTest : public testing::Test, public TestHooks {
                        bool delegating_renderer,
                        bool impl_side_painting);
   virtual void RunTestWithImplSidePainting();
-  virtual void RunTestWithMainThreadLowLatency();
 
   bool HasImplThread() { return proxy() ? proxy()->HasImplThread() : false; }
   base::SingleThreadTaskRunner* ImplThreadTaskRunner() {
@@ -237,18 +236,7 @@ class LayerTreeTest : public testing::Test, public TestHooks {
 
 }  // namespace cc
 
-#define SINGLE_THREAD_DIRECT_RENDERER_NOIMPL_MAIN_THREAD_LOW_LATENCY_TEST_F( \
-    TEST_FIXTURE_NAME)                                                       \
-  TEST_F(                                                                    \
-      TEST_FIXTURE_NAME,                                                     \
-      RunSingleThread_DirectRenderer_MainThreadPaint_MainThreadLowLatency) { \
-    RunTestWithMainThreadLowLatency();                                       \
-  }                                                                          \
-  class SingleThreadDirectNoImplLowLatencyNeedsSemicolon##TEST_FIXTURE_NAME {}
-
 #define SINGLE_THREAD_DIRECT_RENDERER_NOIMPL_TEST_F(TEST_FIXTURE_NAME)        \
-  SINGLE_THREAD_DIRECT_RENDERER_NOIMPL_MAIN_THREAD_LOW_LATENCY_TEST_F(        \
-      TEST_FIXTURE_NAME);                                                     \
   TEST_F(TEST_FIXTURE_NAME, RunSingleThread_DirectRenderer_MainThreadPaint) { \
     RunTest(false, false, false);                                             \
   }                                                                           \