[blink]: Annotate StringImpl::createStatic leak for LeakSanitizer.

Source/wtf/text/StringImpl.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller ( mueller@kde.org )
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "wtf/text/StringImpl.h"
 
+#include "wtf/LeakAnnotations.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/StringBuffer.h"
 #include "wtf/text/StringHash.h"
 #include "wtf/unicode/CharacterNames.h"
 
 #ifdef STRING_STATS
 #include "wtf/DataLog.h"
 #include "wtf/MainThread.h"
 #include "wtf/ProcessID.h"
@@ skipping 300 matching lines @@
 StringImpl* StringImpl::createStatic(const char* string, unsigned length, unsigned hash)
 {
     ASSERT(string);
     ASSERT(length);
 
     // Allocate a single buffer large enough to contain the StringImpl
     // struct as well as the data which it contains. This removes one
     // heap allocation from this call.
     RELEASE_ASSERT(length <= ((std::numeric_limits<unsigned>::max() - sizeof(StringImpl)) / sizeof(LChar)));
     size_t size = sizeof(StringImpl) + length * sizeof(LChar);
+    WTF_ANNOTATE_SCOPED_MEMORY_LEAK;
     StringImpl* impl = static_cast<StringImpl*>(fastMalloc(size));
 
     LChar* data = reinterpret_cast<LChar*>(impl + 1);
     impl = new (NotNull, impl) StringImpl(length, hash, StaticString);
     memcpy(data, string, length * sizeof(LChar));
 #ifndef NDEBUG
     impl->assertHashIsCorrect();
 #endif
     return impl;
 }
@@ skipping 1611 matching lines @@
 
 size_t StringImpl::sizeInBytes() const
 {
     size_t size = length();
     if (!is8Bit())
         size *= 2;
     return size + sizeof(*this);
 }
 
 } // namespace WTF