Remove some uses of MaybeObject methods.

src/objects.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 906 matching lines @@
 #define DECLARE_PRINTER(Name) void Name##Print(FILE* out = stdout);
 #else
 #define DECLARE_PRINTER(Name)
 #endif
 
 class MaybeObject BASE_EMBEDDED {
  public:
   inline bool IsFailure();
   inline bool IsRetryAfterGC();
   inline bool IsException();
-  INLINE(bool IsTheHole());
-  INLINE(bool IsUninitialized());
   inline bool ToObject(Object** obj) {
     if (IsFailure()) return false;
     *obj = reinterpret_cast<Object*>(this);
     return true;
   }
-  inline Failure* ToFailureUnchecked() {
-    ASSERT(IsFailure());
-    return reinterpret_cast<Failure*>(this);
-  }
   inline Object* ToObjectUnchecked() {
     // TODO(jkummerow): Turn this back into an ASSERT when we can be certain
     // that it never fires in Release mode in the wild.
     CHECK(!IsFailure());
     return reinterpret_cast<Object*>(this);
   }
   inline Object* ToObjectChecked() {
     CHECK(!IsFailure());
     return reinterpret_cast<Object*>(this);
   }
 
   template<typename T>
   inline bool To(T** obj) {
     if (IsFailure()) return false;
     *obj = T::cast(reinterpret_cast<Object*>(this));
     return true;
   }
 
-  template<typename T>
-    inline bool ToHandle(Handle<T>* obj, Isolate* isolate) {
-    if (IsFailure()) return false;
-    *obj = handle(T::cast(reinterpret_cast<Object*>(this)), isolate);
-    return true;
-  }
-
 #ifdef OBJECT_PRINT
   // Prints this object with details.
   void Print();
   void Print(FILE* out);
   void PrintLn();
   void PrintLn(FILE* out);
 #endif
 #ifdef VERIFY_HEAP
   // Verifies the object.
   void Verify();
@@ skipping 730 matching lines @@
                          // is in Isolate::pending_exception.
     INTERNAL_ERROR = 2,
     OUT_OF_MEMORY_EXCEPTION = 3
   };
 
   inline Type type() const;
 
   // Returns the space that needs to be collected for RetryAfterGC failures.
   inline AllocationSpace allocation_space() const;
 
-  inline bool IsInternalError() const;
-
   static inline Failure* RetryAfterGC(AllocationSpace space);
   static inline Failure* RetryAfterGC();  // NEW_SPACE
   static inline Failure* Exception();
   static inline Failure* InternalError();
   // Casting.
   static inline Failure* cast(MaybeObject* object);
 
   // Dispatched behavior.
   void FailurePrint(FILE* out = stdout);
   void FailurePrint(StringStream* accumulator);
@@ skipping 9329 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_