Remove unused Allocator::{enter,leave}NoAllocationScope().

third_party/WebKit/Source/wtf/DefaultAllocator.h

 /*
  * Copyright (C) 2013 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 158 matching lines @@
     struct OtherType {
         typedef T* Type;
     };
 
     template<typename T>
     static T& getOther(T* other)
     {
         return *other;
     }
 
-    static void enterNoAllocationScope() { }
-    static void leaveNoAllocationScope() { }
     static void enterGCForbiddenScope() { }
     static void leaveGCForbiddenScope() { }
 
 private:
     static void* allocateBacking(size_t);
 };
 
 // The Windows compiler seems to be very eager to instantiate things it won't
 // need, so unless we have this class we get compile errors.
 class DefaultAllocatorDummyVisitor {
@@ skipping 20 matching lines @@
     { \
         ASSERT(location); \
         return location; \
     } \
 private: \
 typedef int __thisIsHereToForceASemicolonAfterThisMacro
 
 using WTF::DefaultAllocator;
 
 #endif // WTF_DefaultAllocator_h