change recent LOG() to DLOG()

sandbox/win/src/heap_helper.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sandbox/win/src/heap_helper.h"
 
 #include <windows.h>
 
 #include "base/memory/ref_counted.h"
 #include "base/win/windows_version.h"
@@ skipping 30 matching lines @@
   std::unique_ptr<HANDLE[]> all_heaps(new HANDLE[number_of_heaps]);
   if (::GetProcessHeaps(number_of_heaps, all_heaps.get()) != number_of_heaps)
     return nullptr;
 
   // Search for the CSR port heap handle, identified purely based on flags.
   HANDLE csr_port_heap = nullptr;
   for (size_t i = 0; i < number_of_heaps; ++i) {
     HANDLE handle = all_heaps[i];
     DWORD flags = 0;
     if (!HeapFlags(handle, &flags)) {
-      LOG(ERROR) << "Unable to get flags for this heap";
+      DLOG(ERROR) << "Unable to get flags for this heap";
       continue;
     }
     if ((flags & HEAP_CLASS_MASK) == HEAP_CLASS_8) {
       if (nullptr != csr_port_heap) {
-        LOG(ERROR) << "Found multiple suitable CSR Port heaps";
+        DLOG(ERROR) << "Found multiple suitable CSR Port heaps";
         return nullptr;
       }
       csr_port_heap = handle;
     }
   }
   return csr_port_heap;
 }
 
 }  // namespace sandbox