Always include debugger support.

src/liveedit.h

 // 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 57 matching lines @@
  public:
   explicit LiveEditFunctionTracker(Isolate* isolate, FunctionLiteral* fun);
   ~LiveEditFunctionTracker();
   void RecordFunctionInfo(Handle<SharedFunctionInfo> info,
                           FunctionLiteral* lit, Zone* zone);
   void RecordRootFunctionInfo(Handle<Code> code);
 
   static bool IsActive(Isolate* isolate);
 
  private:
-#ifdef ENABLE_DEBUGGER_SUPPORT
   Isolate* isolate_;
-#endif
 };
 
-#ifdef ENABLE_DEBUGGER_SUPPORT
 
 class LiveEdit : AllStatic {
  public:
   MUST_USE_RESULT static MaybeHandle<JSArray> GatherCompileInfo(
       Handle<Script> script,
       Handle<String> source);
 
   static void WrapSharedFunctionInfos(Handle<JSArray> array);
 
   static void ReplaceFunctionCode(Handle<JSArray> new_compile_info_array,
@@ skipping 221 matching lines @@
  private:
   static const int kFunctionNameOffset_ = 0;
   static const int kStartPositionOffset_ = 1;
   static const int kEndPositionOffset_ = 2;
   static const int kSharedInfoOffset_ = 3;
   static const int kSize_ = 4;
 
   friend class JSArrayBasedStruct<SharedInfoWrapper>;
 };
 
-#endif  // ENABLE_DEBUGGER_SUPPORT
-
-
 } }  // namespace v8::internal
 
 #endif /* V*_LIVEEDIT_H_ */