Make GYP build usable for day-to-day work (second attempt)

src/deoptimizer.cc

 // Copyright 2011 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 1420 matching lines @@
         }
         return;
       }
       frames_to_skip--;
     }
   }
 
   UNREACHABLE();
 }
 
+#ifdef ENABLE_DEBUGGER_SUPPORT
 
 DeoptimizedFrameInfo::DeoptimizedFrameInfo(
     Deoptimizer* deoptimizer, int frame_index) {
   FrameDescription* output_frame = deoptimizer->output_[frame_index];
   SetFunction(output_frame->GetFunction());
   expression_count_ = output_frame->GetExpressionCount(deoptimizer);
   parameters_count_ = output_frame->ComputeParametersCount();
   parameters_ = new Object*[parameters_count_];
   for (int i = 0; i < parameters_count_; i++) {
     SetParameter(i, output_frame->GetParameter(deoptimizer, i));
   }
   expression_stack_ = new Object*[expression_count_];
   for (int i = 0; i < expression_count_; i++) {
     SetExpression(i, output_frame->GetExpression(deoptimizer, i));
   }
 }
 
 
 DeoptimizedFrameInfo::~DeoptimizedFrameInfo() {
   delete[] expression_stack_;
   delete[] parameters_;
 }
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
+#endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal