Update from https://crrev.com/304418

cc/resources/tile_manager_unittest.cc

 // Copyright 2013 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/resources/eviction_tile_priority_queue.h"
 #include "cc/resources/raster_tile_priority_queue.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 37 matching lines @@
     state.tree_priority = tree_priority;
 
     global_state_ = state;
     host_impl_.resource_pool()->SetResourceUsageLimits(
         state.soft_memory_limit_in_bytes,
         state.soft_memory_limit_in_bytes,
         state.num_resources_limit);
     host_impl_.tile_manager()->SetGlobalStateForTesting(state);
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     InitializeRenderer();
     SetTreePriority(SAME_PRIORITY_FOR_BOTH_TREES);
   }
 
   virtual void InitializeRenderer() {
     host_impl_.InitializeRenderer(FakeOutputSurface::Create3d());
   }
 
   void SetupDefaultTrees(const gfx::Size& layer_bounds) {
     gfx::Size tile_size(100, 100);
@@ skipping 789 matching lines @@
     all_tiles.insert(queue.Top());
     ++tile_count;
     queue.Pop();
   }
   EXPECT_EQ(tile_count, all_tiles.size());
   EXPECT_EQ(16u, tile_count);
 }
 
 }  // namespace
 }  // namespace cc