[Isolates] Merge 6700:7030 from bleeding_edge to isolates.

src/messages.js

Index: src/messages.js
===================================================================
--- src/messages.js	(revision 7031)
+++ src/messages.js	(working copy)
@@ -224,6 +224,12 @@
       strict_lhs_postfix:           ["Postfix increment/decrement may not have eval or arguments operand in strict mode"],
       strict_lhs_prefix:            ["Prefix increment/decrement may not have eval or arguments operand in strict mode"],
       strict_reserved_word:         ["Use of future reserved word in strict mode"],
+      strict_delete:                ["Delete of an unqualified identifier in strict mode."],
+      strict_delete_property:       ["Cannot delete property '", "%0", "' of ", "%1"],
+      strict_const:                 ["Use of const in strict mode."],
+      strict_function:              ["In strict mode code, functions can only be declared at top level or immediately within another function." ],
+      strict_read_only_property:    ["Cannot assign to read only property '", "%0", "' of ", "%1"],
+      strict_cannot_assign:         ["Cannot assign to read only '", "%0", "' in strict mode"],
     };
   }
   var message_type = %MessageGetType(message);
@@ -1057,9 +1063,9 @@
   }
 }
 
-%FunctionSetName(errorToString, 'toString');
-%SetProperty($Error.prototype, 'toString', errorToString, DONT_ENUM);
 
+InstallFunctions($Error.prototype, DONT_ENUM, ['toString', errorToString]);
+
 // Boilerplate for exceptions for stack overflows. Used from
 // Isolate::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);