Disk Cache: Remove "invalidating iterator" message from

net/disk_cache/rankings.cc

 // Copyright (c) 2011 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 "net/disk_cache/rankings.h"
 
 #include "base/metrics/histogram.h"
 #include "net/disk_cache/backend_impl.h"
 #include "net/disk_cache/entry_impl.h"
 #include "net/disk_cache/errors.h"
@@ skipping 847 matching lines @@
       *other->Data() = *node->Data();
     }
   }
 }
 
 void Rankings::InvalidateIterators(CacheRankingsBlock* node) {
   CacheAddr address = node->address().value();
   for (IteratorList::iterator it = iterators_.begin(); it != iterators_.end();
        ++it) {
     if (it->first == address) {
-      LOG(WARNING) << "Invalidating iterator at 0x" << std::hex << address;
+      DLOG(INFO) << "Invalidating iterator at 0x" << std::hex << address;
       it->second->Discard();
     }
   }
 }
 
 void Rankings::IncrementCounter(List list) {
   if (!count_lists_)
     return;
 
   DCHECK(control_data_->sizes[list] < kint32max);
   if (control_data_->sizes[list] < kint32max)
     control_data_->sizes[list]++;
 }
 
 void Rankings::DecrementCounter(List list) {
   if (!count_lists_)
     return;
 
   DCHECK(control_data_->sizes[list] > 0);
   if (control_data_->sizes[list] > 0)
     control_data_->sizes[list]--;
 }
 
 }  // namespace disk_cache