Allow the resolved names cache to be lazily created like the exported names cache.

runtime/vm/object.h

 // Copyright (c) 2012, 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_OBJECT_H_
 #define RUNTIME_VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3921 matching lines @@
   static RawLibrary* New();
 
   void set_num_imports(intptr_t value) const;
   bool HasExports() const;
   RawArray* loaded_scripts() const { return raw_ptr()->loaded_scripts_; }
   RawGrowableObjectArray* metadata() const { return raw_ptr()->metadata_; }
   RawArray* dictionary() const { return raw_ptr()->dictionary_; }
   void InitClassDictionary() const;
 
   RawArray* resolved_names() const { return raw_ptr()->resolved_names_; }
-  void InitResolvedNamesCache(intptr_t size) const;
-  void AllocateExportedNamesCache() const;
-  void InitExportedNamesCache() const;
-  static void InvalidateExportedNamesCaches();
   bool LookupResolvedNamesCache(const String& name, Object* obj) const;
   void AddToResolvedNamesCache(const String& name, const Object& obj) const;
+  void InitResolvedNamesCache() const;
+  void ClearResolvedNamesCache() const;
   void InvalidateResolvedName(const String& name) const;
   void InvalidateResolvedNamesCache() const;
 
   RawArray* exported_names() const { return raw_ptr()->exported_names_; }
   bool LookupExportedNamesCache(const String& name, Object* obj) const;
   void AddToExportedNamesCache(const String& name, const Object& obj) const;
+  void InitExportedNamesCache() const;
+  void ClearExportedNamesCache() const;
+  static void InvalidateExportedNamesCaches();
 
 
   void InitImportList() const;
   void GrowDictionary(const Array& dict, intptr_t dict_size) const;
   static RawLibrary* NewLibraryHelper(const String& url, bool import_core_lib);
   RawObject* LookupEntry(const String& name, intptr_t* index) const;
 
   void AllocatePrivateKey() const;
 
   RawString* MakeMetadataName(const Object& obj) const;
@@ skipping 5005 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_H_