Revert "RegExp: Add support for the ES6-proposed sticky flag"

src/jsregexp.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_JSREGEXP_H_
 #define V8_JSREGEXP_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/zone-inl.h"
@@ skipping 1643 matching lines @@
     CompilationResult(Object* code, int registers)
       : error_message(NULL),
         code(code),
         num_registers(registers) {}
     const char* error_message;
     Object* code;
     int num_registers;
   };
 
   static CompilationResult Compile(RegExpCompileData* input, bool ignore_case,
-                                   bool global, bool multiline, bool sticky,
+                                   bool global, bool multiline,
                                    Handle<String> pattern,
                                    Handle<String> sample_subject,
                                    bool is_one_byte, Zone* zone);
 
   static void DotPrint(const char* label, RegExpNode* node, bool ignore_case);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_