Eliminate extended mode, and other modes clean-up

src/isolate.cc

 // Copyright 2012 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 472 matching lines @@
 
         Handle<Object> recv = frames[i].receiver();
         Handle<JSFunction> fun = frames[i].function();
         Handle<Code> code = frames[i].code();
         Handle<Smi> offset(Smi::FromInt(frames[i].offset()), this);
         // The stack trace API should not expose receivers and function
         // objects on frames deeper than the top-most one with a strict
         // mode function.  The number of sloppy frames is stored as
         // first element in the result array.
         if (!encountered_strict_function) {
-          if (!fun->shared()->is_sloppy_mode()) {
+          if (fun->shared()->strict_mode() == STRICT) {
             encountered_strict_function = true;
           } else {
             sloppy_frames++;
           }
         }
         elements->set(cursor++, *recv);
         elements->set(cursor++, *fun);
         elements->set(cursor++, *code);
         elements->set(cursor++, *offset);
       }
@@ skipping 1815 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal