- Create frame work for adding read only handles for symbols in the VM isolate

vm/flow_graph_builder.cc

 // 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.
 
 #include "vm/flow_graph_builder.h"
 
 #include "vm/ast_printer.h"
 #include "vm/code_descriptors.h"
 #include "vm/dart_entry.h"
 #include "vm/flags.h"
@@ skipping 1731 matching lines @@
   const Library& lib = Library::Handle(clazz.library());
 
   const String& expected_class_name =
       String::Handle(lib.PrivateName(expected));
   if (!String::Handle(clazz.Name()).Equals(expected_class_name)) {
     return false;
   }
 
   const String& function_name = String::Handle(function.name());
   const String& expected_function_name = String::Handle(
-      String::Concat(expected_class_name, String::Handle(Symbols::Dot())));
+      String::Concat(expected_class_name, Symbols::DotHandle()));
   return function_name.Equals(expected_function_name);
 }
 
 
 static intptr_t GetResultCidOfConstructor(ConstructorCallNode* node) {
   const Function& function = node->constructor();
   const Class& function_class = Class::Handle(function.Owner());
   const Library& core_lib = Library::Handle(Library::CoreLibrary());
 
   if (function_class.library() != core_lib.raw()) {
@@ skipping 1197 matching lines @@
   intptr_t len = OS::SNPrint(NULL, 0, kFormat, function_name, reason) + 1;
   char* chars = Isolate::Current()->current_zone()->Alloc<char>(len);
   OS::SNPrint(chars, len, kFormat, function_name, reason);
   const Error& error = Error::Handle(
       LanguageError::New(String::Handle(String::New(chars))));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart