Fix Win/Clang components build of cc_unittests

cc/tiles/tile_manager.h

 // 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.
 
 #ifndef CC_TILES_TILE_MANAGER_H_
 #define CC_TILES_TILE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 181 matching lines @@
   }
 
   void CheckIfMoreTilesNeedToBePreparedForTesting() {
     CheckIfMoreTilesNeedToBePrepared();
   }
 
   void SetMoreTilesNeedToBeRasterizedForTesting() {
     all_tiles_that_need_to_be_rasterized_are_scheduled_ = false;
   }
 
-  void ResetSignalsForTesting() { signals_.reset(); }
+  void ResetSignalsForTesting();
 
   bool HasScheduledTileTasksForTesting() const {
     return has_scheduled_tile_tasks_;
   }
 
   void OnRasterTaskCompleted(std::unique_ptr<RasterBuffer> raster_buffer,
                              Tile::Id tile_id,
                              Resource* resource,
                              bool was_canceled);
 
@@ skipping 129 matching lines @@
   const bool check_tile_priority_inversion_;
 
   base::WeakPtrFactory<TileManager> task_set_finished_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_MANAGER_H_