Update handling of ambiguous name references

runtime/vm/parser.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 VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "lib/invocation_mirror.h"
@@ skipping 580 matching lines @@
 
   // Resolve a primary identifier in the library or prefix scope and
   // generate the corresponding AstNode.
   AstNode* ResolveIdentInCurrentLibraryScope(intptr_t ident_pos,
                                              const String& ident);
   AstNode* ResolveIdentInPrefixScope(intptr_t ident_pos,
                                      const LibraryPrefix& prefix,
                                      const String& ident);
 
   // Find class with the given name in the library or prefix scope.
-  RawClass* ResolveClassInCurrentLibraryScope(intptr_t ident_pos,
-                                              const String& name,
-                                              Error* error);
-  RawClass* ResolveClassInPrefixScope(intptr_t ident_pos,
-                                      const LibraryPrefix& prefix,
-                                      const String& name,
-                                      Error* error);
+  RawClass* ResolveClassInCurrentLibraryScope(const String& name);
+  RawClass* ResolveClassInPrefixScope(const LibraryPrefix& prefix,
+                                      const String& name);
 
   // Find name in the library or prefix scope and return the corresponding
   // object (field, class, function etc).
-  RawObject* ResolveNameInCurrentLibraryScope(intptr_t ident_pos,
-                                              const String& ident,
-                                              Error* error);
-  RawObject* ResolveNameInPrefixScope(intptr_t ident_pos,
-                                      const LibraryPrefix& prefix,
-                                      const String& name,
-                                      Error* error);
+  RawObject* ResolveNameInCurrentLibraryScope(const String& ident);
+  RawObject* ResolveNameInPrefixScope(const LibraryPrefix& prefix,
+                                      const String& name);
 
   AstNode* ResolveIdent(intptr_t ident_pos,
                         const String& ident,
                         bool allow_closure_names);
   RawString* ResolveImportVar(intptr_t ident_pos, const String& ident);
   AstNode* OptimizeBinaryOpNode(intptr_t op_pos,
                                 Token::Kind binary_op,
                                 AstNode* lhs,
                                 AstNode* rhs);
   AstNode* ExpandAssignableOp(intptr_t op_pos,
@@ skipping 90 matching lines @@
   intptr_t last_used_try_index_;
 
   bool unregister_pending_function_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_