Remove unused member variables in IfBuilder

src/hydrogen.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 1124 matching lines @@
    private:
     void AddCompare(HControlInstruction* compare);
 
     Zone* zone() { return builder_->zone(); }
 
     HGraphBuilder* builder_;
     int position_;
     bool finished_ : 1;
     bool did_then_ : 1;
     bool did_else_ : 1;
-    bool deopt_then_ : 1;
-    bool deopt_else_ : 1;
     bool did_and_ : 1;
     bool did_or_ : 1;
     bool captured_ : 1;
     bool needs_compare_ : 1;
     HBasicBlock* first_true_block_;
     HBasicBlock* last_true_block_;
     HBasicBlock* first_false_block_;
     HBasicBlock* split_edge_merge_block_;
     HBasicBlock* merge_block_;
   };
@@ skipping 783 matching lines @@
   EmbeddedVector<char, 64> filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_