Remove parts of //cc we aren't using

cc/test/fake_layer_tree_host_impl_client.cc

Index: cc/test/fake_layer_tree_host_impl_client.cc
diff --git a/cc/test/fake_layer_tree_host_impl_client.cc b/cc/test/fake_layer_tree_host_impl_client.cc
deleted file mode 100644
index c4d38ab278476bb3142497ad1cbab6e49a420273..0000000000000000000000000000000000000000
--- a/cc/test/fake_layer_tree_host_impl_client.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "cc/test/fake_layer_tree_host_impl_client.h"
-
-namespace cc {
-
-bool FakeLayerTreeHostImplClient::ReduceContentsTextureMemoryOnImplThread(
-    size_t limit_butes,
-    int priority_cutoff) {
-  return false;
-}
-
-bool FakeLayerTreeHostImplClient::IsInsideDraw() {
-  return false;
-}
-
-}  // namespace cc