Remove obsolete stack overflow string.

src/isolate.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_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <memory>
 #include <queue>
 #include <set>
@@ skipping 774 matching lines @@
   // Returns the native context of the calling JavaScript code.  That
   // is, the native context of the top-most JavaScript frame.
   Handle<Context> GetCallingNativeContext();
 
   void RegisterTryCatchHandler(v8::TryCatch* that);
   void UnregisterTryCatchHandler(v8::TryCatch* that);
 
   char* ArchiveThread(char* to);
   char* RestoreThread(char* from);
 
-  static const char* const kStackOverflowMessage;
-
   static const int kUC16AlphabetSize = 256;  // See StringSearchBase.
   static const int kBMMaxShift = 250;        // See StringSearchBase.
 
   // Accessors.
 #define GLOBAL_ACCESSOR(type, name, initialvalue)                       \
   inline type name() const {                                            \
     DCHECK(OFFSET_OF(Isolate, name##_) == name##_debug_offset_);        \
     return name##_;                                                     \
   }                                                                     \
   inline void set_##name(type value) {                                  \
@@ skipping 840 matching lines @@
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ISOLATE_H_