Abolish kDebug and use ifdef DEBUG throughout for consistency.

src/frames.cc

 // Copyright 2006-2008 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 629 matching lines @@
 
 
 void EntryFrame::Iterate(ObjectVisitor* v) const {
   StackHandlerIterator it(this, top_handler());
   ASSERT(!it.done());
   StackHandler* handler = it.handler();
   ASSERT(handler->is_entry());
   handler->Iterate(v);
   // Make sure that there's the entry frame does not contain more than
   // one stack handler.
-  if (kDebug) {
-    it.Advance();
-    ASSERT(it.done());
-  }
+#ifdef DEBUG
+  it.Advance();
+  ASSERT(it.done());
+#endif
 }
 
 
 void StandardFrame::IterateExpressions(ObjectVisitor* v) const {
   const int offset = StandardFrameConstants::kContextOffset;
   Object** base = &Memory::Object_at(sp());
   Object** limit = &Memory::Object_at(fp() + offset) + 1;
   for (StackHandlerIterator it(this, top_handler()); !it.done(); it.Advance()) {
     StackHandler* handler = it.handler();
     // Traverse pointers down to - but not including - the next
@@ skipping 67 matching lines @@
         reg_code[i++] = r;
 
     ASSERT(i == kNumJSCallerSaved);
   }
   ASSERT(0 <= n && n < kNumJSCallerSaved);
   return reg_code[n];
 }
 
 
 } }  // namespace v8::internal