Rename Compare -> Comparator to resolve name conflict in v8::internal

src/liveedit.h

 // Copyright 2010 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 100 matching lines @@
   };
 
   // Compares 2 strings line-by-line and returns diff in form of array of
   // triplets (pos1, pos1_end, pos2_end) describing list of diff chunks.
   static Handle<JSArray> CompareStringsLinewise(Handle<String> s1,
                                                 Handle<String> s2);
 };
 
 
 // A general-purpose comparator between 2 arrays.
-class Compare {
+class Comparator {
  public:
 
   // Holds 2 arrays of some elements allowing to compare any pair of
   // element from the first array and element from the second array.
   class Input {
    public:
     virtual int getLength1() = 0;
     virtual int getLength2() = 0;
     virtual bool equals(int index1, int index2) = 0;
 
@@ skipping 16 matching lines @@
   static void CalculateDifference(Input* input,
                                   Output* result_writer);
 };
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 } }  // namespace v8::internal
 
 #endif /* V*_LIVEEDIT_H_ */