Squashed 'EASTL/' content from commit fad5471

git-subtree-dir: EASTL
git-subtree-split: fad54717f8e4ebb13b20095da7efd07a53af0f10

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diff --git a/include/EASTL/unordered_map.h b/include/EASTL/unordered_map.h
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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef EASTL_UNORDERED_MAP_H
+#define EASTL_UNORDERED_MAP_H
+
+#include <EASTL/internal/config.h>
+#include <EASTL/hash_map.h>
+
+#if defined(EA_PRAGMA_ONCE_SUPPORTED)
+	#pragma once // Some compilers (e.g. VC++) benefit significantly from using this. We've measured 3-4% build speed improvements in apps as a result.
+#endif
+
+namespace eastl
+{
+	/// unordered_map 
+	///
+	/// The original TR1 (technical report 1) used "hash_map" to name a hash
+	/// table backed associative container of unique key-value pairs.  When the
+	/// container was added to the C++11 standard the committee chose the name
+	/// "unordered_map" to clarify that internally the elements are NOT sorted in
+	/// any particular order.  We provide a template alias here to ensure feature
+	/// parity with the original eastl::hash_map.
+	///
+	#if !defined(EA_COMPILER_NO_TEMPLATE_ALIASES)
+		template <typename Key,
+				  typename T,
+				  typename Hash = eastl::hash<Key>,
+				  typename Predicate = eastl::equal_to<Key>,
+				  typename Allocator = EASTLAllocatorType,
+				  bool bCacheHashCode = false>
+		using unordered_map = hash_map<Key, T, Hash, Predicate, Allocator, bCacheHashCode>;
+    #endif
+
+
+    /// unordered_multimap
+	///
+	/// Similar template alias as "unordered_map" except the contained elements
+	/// need not be unique. See "hash_multimap" for more details.
+	///
+	#if !defined(EA_COMPILER_NO_TEMPLATE_ALIASES)
+		template <typename Key,
+				  typename T,
+				  typename Hash = eastl::hash<Key>,
+				  typename Predicate = eastl::equal_to<Key>,
+				  typename Allocator = EASTLAllocatorType,
+				  bool bCacheHashCode = false>
+		using unordered_multimap = hash_multimap<Key, T, Hash, Predicate, Allocator, bCacheHashCode>;
+    #endif
+
+} // namespace eastl
+
+#endif // Header include guard
+