[Isolates] More handle improvements:

test/cctest/test-func-name-inference.cc

 // Copyright 2007-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 70 matching lines @@
       Factory::NewStringFromAscii(CStrVector(func_pos_src));
   int func_pos = Runtime::StringMatch(Isolate::Current()->runtime_state(),
                                       script_src,
                                       func_pos_str,
                                       0);
   CHECK_NE(0, func_pos);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Obtain SharedFunctionInfo for the function.
   Object* shared_func_info_ptr =
-      Runtime::FindSharedFunctionInfoInScript(HEAP, i_script, func_pos);
+      Runtime::FindSharedFunctionInfoInScript(Isolate::Current(),
+                                              i_script,
+                                              func_pos);
   CHECK(shared_func_info_ptr != HEAP->undefined_value());
   Handle<SharedFunctionInfo> shared_func_info(
       SharedFunctionInfo::cast(shared_func_info_ptr));
 
   // Verify inferred function name.
   SmartPointer<char> inferred_name =
       shared_func_info->inferred_name()->ToCString();
   CHECK_EQ(ref_inferred_name, *inferred_name);
 #endif  // ENABLE_DEBUGGER_SUPPORT
 }
@@ skipping 170 matching lines @@
   InitializeVM();
   v8::HandleScope scope;
 
   v8::Handle<v8::Script> script = Compile(
       "function a() {\n"
       "var result = function(p,a,c,k,e,d)"
       "{return p}(\"if blah blah\",62,1976,\'a|b\'.split(\'|\'),0,{})\n"
       "}");
   CheckFunctionName(script, "return p", "");
 }