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

cc/output/renderer_settings.h

Index: cc/output/renderer_settings.h
diff --git a/cc/output/renderer_settings.h b/cc/output/renderer_settings.h
index e82314c842f5293dea5fff0676388d620dc54201..913aa2d3cfba41852c8327e6d95be1b35360d3fa 100644
--- a/cc/output/renderer_settings.h
+++ b/cc/output/renderer_settings.h
@@ -36,6 +36,11 @@ class CC_EXPORT RendererSettings {
   bool use_gpu_memory_buffer_resources = false;
   ResourceFormat preferred_tile_format;
   BufferToTextureTargetMap buffer_to_texture_target_map;
+
+  // 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