Revert "Revert "Removed usage of std::map and std::vector from kernel code. Issue #28064.""

runtime/vm/kernel_to_il.h

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/growable_array.h"
@@ skipping 57 matching lines @@
 
   inline V Lookup(const Key& key) {
     Pair* pair =
         DirectChainedHashMap<RawPointerKeyValueTrait<K, V> >::Lookup(key);
     if (pair == NULL) {
       return V();
     } else {
       return pair->value;
     }
   }
+
+  inline Pair* LookupPair(const Key& key) {
+    return DirectChainedHashMap<RawPointerKeyValueTrait<K, V> >::Lookup(key);
+  }
 };
 
 class BreakableBlock;
 class CatchBlock;
 class FlowGraphBuilder;
 class SwitchBlock;
 class TryCatchBlock;
 class TryFinallyBlock;
 
 class Fragment {
@@ skipping 878 matching lines @@
 namespace kernel {
 
 RawObject* EvaluateMetadata(TreeNode* const kernel_node);
 RawObject* BuildParameterDescriptor(TreeNode* const kernel_node);
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_