Revert of Remove kind field from StackHandler.

src/frames.cc

 // 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.
 
 #include "src/frames.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 1320 matching lines @@
   }
 
   accumulator->Add("}\n\n");
 }
 
 
 void EntryFrame::Iterate(ObjectVisitor* v) const {
   StackHandlerIterator it(this, top_handler());
   DCHECK(!it.done());
   StackHandler* handler = it.handler();
+  DCHECK(handler->is_js_entry());
   handler->Iterate(v, LookupCode());
 #ifdef DEBUG
   // Make sure that the entry frame does not contain more than one
   // stack handler.
   it.Advance();
   DCHECK(it.done());
 #endif
   IteratePc(v, pc_address(), LookupCode());
 }
 
@@ skipping 279 matching lines @@
   ZoneList<StackFrame*> list(10, zone);
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal