Rename ObjectAliveTrait::isAlive() to isHeapObjectAlive().

Source/platform/heap/Handle.h

 /*
  * Copyright (C) 2014 Google Inc. 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
@@ skipping 39 matching lines @@
 // GarbageCollectedMixin because casting to it is potentially ambiguous.
 template<typename T>
 struct IsGarbageCollectedMixin {
     typedef char TrueType;
     struct FalseType {
         char dummy[2];
     };
 
 #if COMPILER(MSVC)
     template<typename U> static TrueType hasAdjustAndMark(char[&U::adjustAndMark != 0]);
-    template<typename U> static TrueType hasIsAlive(char[&U::isAlive != 0]);
+    template<typename U> static TrueType hasIsHeapObjectAlive(char[&U::isHeapObjectAlive != 0]);
 #else
     template<size_t> struct F;
     template<typename U> static TrueType hasAdjustAndMark(F<sizeof(&U::adjustAndMark)>*);
-    template<typename U> static TrueType hasIsAlive(F<sizeof(&U::isAlive)>*);
+    template<typename U> static TrueType hasIsHeapObjectAlive(F<sizeof(&U::isHeapObjectAlive)>*);
 #endif
-    template<typename U> static FalseType hasIsAlive(...);
+    template<typename U> static FalseType hasIsHeapObjectAlive(...);
     template<typename U> static FalseType hasAdjustAndMark(...);
 
-    static bool const value = (sizeof(TrueType) == sizeof(hasAdjustAndMark<T>(0))) && (sizeof(TrueType) == sizeof(hasIsAlive<T>(0)));
+    static bool const value = (sizeof(TrueType) == sizeof(hasAdjustAndMark<T>(0))) && (sizeof(TrueType) == sizeof(hasIsHeapObjectAlive<T>(0)));
 };
 
 template <typename T>
 struct IsGarbageCollectedType {
     typedef char TrueType;
     struct FalseType {
         char dummy[2];
     };
 
     typedef typename WTF::RemoveConst<T>::Type NonConstType;
@@ skipping 1316 matching lines @@
 struct ParamStorageTraits<T*> : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
 };
 
 template<typename T>
 struct ParamStorageTraits<RawPtr<T> > : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
 };
 
 } // namespace WTF
 
 #endif