Merge isolates to bleeding_edge.

src/scanner.h

 // Copyright 2010 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 116 matching lines @@
 };
 
 
 // ----------------------------------------------------------------------------
 // V8JavaScriptScanner
 // JavaScript scanner getting its input from either a V8 String or a unicode
 // CharacterStream.
 
 class V8JavaScriptScanner : public JavaScriptScanner {
  public:
-  V8JavaScriptScanner();
+  explicit V8JavaScriptScanner(Isolate* isolate)
+      : JavaScriptScanner(isolate) {}
+
   void Initialize(UC16CharacterStream* source);
 };
 
 
 class JsonScanner : public Scanner {
  public:
-  JsonScanner();
+  explicit JsonScanner(Isolate* isolate);
 
   void Initialize(UC16CharacterStream* source);
 
   // Returns the next token.
   Token::Value Next();
 
   // Returns the value of a number token.
   double number() {
     return number_;
   }
@@ skipping 30 matching lines @@
   // JSONNullLiteral).
   Token::Value ScanJsonIdentifier(const char* text, Token::Value token);
 
   // Holds the value of a scanned number token.
   double number_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCANNER_H_