Reserve capacity for static strings HashMap.

third_party/WebKit/Source/wtf/HashMap.h

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 80 matching lines @@
         void swap(typename Allocator::template OtherType<HashMap>::Type other)
         {
             HashMap& ref = Allocator::getOther(other);
             m_impl.swap(ref.m_impl);
         }
 
         unsigned size() const;
         unsigned capacity() const;
         bool isEmpty() const;
 
+        void reserveCapacityForSize(unsigned size)
+        {
+            m_impl.reserveCapacityForSize(size);
+        }
+
         // iterators iterate over pairs of keys and values
         iterator begin();
         iterator end();
         const_iterator begin() const;
         const_iterator end() const;
 
         HashMapKeysProxy& keys() { return static_cast<HashMapKeysProxy&>(*this); }
         const HashMapKeysProxy& keys() const { return static_cast<const HashMapKeysProxy&>(*this); }
 
         HashMapValuesProxy& values() { return static_cast<HashMapValuesProxy&>(*this); }
@@ skipping 387 matching lines @@
 struct NeedsTracing<HashMap<T, U, V, W, X>> {
     static const bool value = false;
 };
 #endif
 
 } // namespace WTF
 
 using WTF::HashMap;
 
 #endif /* WTF_HashMap_h */