Improvements to uses of base::SmallMap

cc/resources/resource_provider.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_RESOURCES_RESOURCE_PROVIDER_H_
 #define CC_RESOURCES_RESOURCE_PROVIDER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 782 matching lines @@
   int next_child_;
   ChildMap children_;
   scoped_refptr<Fence> current_read_lock_fence_;
   std::unique_ptr<TextureIdAllocator> texture_id_allocator_;
   BufferToTextureTargetMap buffer_to_texture_target_map_;
 
   // Keep track of whether deleted resources should be batched up or returned
   // immediately.
   bool batch_return_resources_ = false;
   // Maps from a child id to the set of resources to be returned to it.
-  base::SmallMap<std::map<int, ResourceIdArray>> batched_returning_resources_;
+  base::small_map<std::map<int, ResourceIdArray>> batched_returning_resources_;
 
   base::ThreadChecker thread_checker_;
 
   // A process-unique ID used for disambiguating memory dumps from different
   // resource providers.
   int tracing_id_;
 
 #if defined(OS_ANDROID)
   // Set of resource Ids that would like to be notified about promotion hints.
   ResourceIdSet wants_promotion_hints_set_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ResourceProvider);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_