cc::ResourcePool - Re-use larger resources for smaller requests

cc/trees/layer_tree_settings.h

 // Copyright 2011 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_TREES_LAYER_TREE_SETTINGS_H_
 #define CC_TREES_LAYER_TREE_SETTINGS_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 89 matching lines @@
 
   LayerTreeDebugState initial_debug_state;
 
   // Indicates that the LayerTreeHost should defer commits unless it has a valid
   // LocalSurfaceId set.
   bool enable_surface_synchronization = false;
 
   // Indicates the case when a sub-frame gets its own LayerTree because it's
   // rendered in a different process from its ancestor frames.
   bool is_layer_tree_for_subframe = false;
+
+  // Determines whether we disallow non-exact matches when finding resources
+  // in ResourcePool. Only used for layout or pixel tests, as non-deterministic
+  // resource sizes can lead to floating point error and noise in these tests.
+  bool disallow_non_exact_resource_reuse = false;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_SETTINGS_H_