Remove the dependency of Zone on Isolate

src/parser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 205 matching lines @@
 #define LAST(x) last_added_ = x;
 #else
 #define LAST(x)
 #endif
 };
 
 
 class RegExpParser BASE_EMBEDDED {
  public:
   RegExpParser(FlatStringReader* in, Handle<String>* error, bool multiline_mode,
-               bool unicode, Zone* zone);
+               bool unicode, Isolate* isolate, Zone* zone);
 
-  static bool ParseRegExp(FlatStringReader* input, bool multiline, bool unicode,
-                          RegExpCompileData* result, Zone* zone);
+  static bool ParseRegExp(Isolate* isolate, Zone* zone, FlatStringReader* input,
+                          bool multiline, bool unicode,
+                          RegExpCompileData* result);
 
   RegExpTree* ParsePattern();
   RegExpTree* ParseDisjunction();
   RegExpTree* ParseGroup();
   RegExpTree* ParseCharacterClass();
 
   // Parses a {...,...} quantifier and stores the range in the given
   // out parameters.
   bool ParseIntervalQuantifier(int* min_out, int* max_out);
 
@@ skipping 758 matching lines @@
 }
 
 
 Expression* ParserTraits::CloseTemplateLiteral(TemplateLiteralState* state,
                                                int start, Expression* tag) {
   return parser_->CloseTemplateLiteral(state, start, tag);
 }
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_