[PartitionAlloc] Annotate common Blink types for heap profiling

third_party/WebKit/Source/wtf/PartitionAllocator.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 176 matching lines @@
 // need, so unless we have this class we get compile errors.
 class PartitionAllocatorDummyVisitor {
 public:
     template<typename T> inline bool isHeapObjectAlive(T obj)
     {
         ASSERT_NOT_REACHED();
         return false;
     }
 };
 
+// Specializations for heap profiling, so type profiling of |char| is possible
+// even in official builds (because |char| makes up a large portion of the heap.)
+template <> char* PartitionAllocator::allocateVectorBacking<char>(size_t size);
+template <> char* PartitionAllocator::allocateExpandedVectorBacking<char>(size_t size);
+
 } // namespace WTF
 
 #define WTF_USE_ALLOCATOR(ClassName, Allocator) \
 public: \
     void* operator new(size_t size) \
     { \
         return Allocator::template malloc<void*, ClassName>(size, WTF_HEAP_PROFILER_TYPE_NAME(ClassName)); \
     } \
     void operator delete(void* p) { Allocator::free(p); } \
     void* operator new[](size_t size) { return Allocator::template newArray<ClassName>(size); } \
     void operator delete[](void* p) { Allocator::deleteArray(p); } \
     void* operator new(size_t, NotNullTag, void* location) \
     { \
         ASSERT(location); \
         return location; \
     } \
 private: \
 typedef int __thisIsHereToForceASemicolonAfterThisMacro
 
 using WTF::PartitionAllocator;
 
 #endif // WTF_PartitionAllocator_h