Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/wtf/text/StringImplCF.cpp

 /*
  * Copyright (C) 2006, 2009, 2012 Apple Inc. All rights reserved.
  *
  * 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
@@ skipping 47 matching lines @@
   }
   StringImpl** header = static_cast<StringImpl**>(WTF::Partitions::FastMalloc(
       sizeof(StringImpl*) + size, WTF_HEAP_PROFILER_TYPE_NAME(StringImpl*)));
   *header = underlying_string;
   return header + 1;
 }
 
 static void* Reallocate(void* pointer, CFIndex new_size, CFOptionFlags, void*) {
   size_t new_allocation_size = sizeof(StringImpl*) + new_size;
   StringImpl** header = static_cast<StringImpl**>(pointer) - 1;
-  ASSERT(!*header);
+  DCHECK(!*header);
   header = static_cast<StringImpl**>(WTF::Partitions::FastRealloc(
       header, new_allocation_size, WTF_HEAP_PROFILER_TYPE_NAME(StringImpl*)));
   return header + 1;
 }
 
 static void DeallocateOnMainThread(void* header_pointer) {
   StringImpl** header = static_cast<StringImpl**>(header_pointer);
   StringImpl* underlying_string = *header;
   DCHECK(underlying_string);
   underlying_string->Deref();  // Balanced by call to ref in allocate above.
@@ skipping 76 matching lines @@
 // StringWrapperCFAllocator.  If it is, then we could find the original
 // StringImpl and just return that.  But to do that we'd have to compute the
 // offset from CFStringRef to the allocated block; the CFStringRef is *not* at
 // the start of an allocated block. Testing shows 1000x more calls to
 // createCFString than calls to the create functions with the appropriate
 // allocator, so it's probably not urgent optimize that case.
 
 }  // namespace WTF
 
 #endif  // OS(MACOSX)