Change ResourcePool reuse to have looser size constraints.

cc/resources/resource_pool.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_POOL_H_
 #define CC_RESOURCES_RESOURCE_POOL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 26 matching lines @@
 
   static std::unique_ptr<ResourcePool> Create(
       ResourceProvider* resource_provider,
       base::SingleThreadTaskRunner* task_runner) {
     return base::WrapUnique(
         new ResourcePool(resource_provider, task_runner, false));
   }
 
   ~ResourcePool() override;
 
-  // Tries to reuse a resource. Returns |nullptr| if none are available.
-  Resource* ReuseResource(const gfx::Size& size,
+  // Tries to reuse a resource as close to |min_size| as possible. The
+  // resource will never exceed |max_size|. Returns |nullptr| if none are
+  // available.
+  Resource* ReuseResource(const gfx::Size& min_size,
+                          const gfx::Size& max_size,
                           ResourceFormat format,
                           const gfx::ColorSpace& color_space);
 
   // Creates a new resource without trying to reuse an old one.
   Resource* CreateResource(const gfx::Size& size,
                            ResourceFormat format,
                            const gfx::ColorSpace& color_space);
 
   // Tries to reuse a resource. If none are available, makes a new one.
   Resource* AcquireResource(const gfx::Size& size,
@@ skipping 113 matching lines @@
   base::TimeDelta resource_expiration_delay_;
 
   base::WeakPtrFactory<ResourcePool> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourcePool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_POOL_H_