Convert chrome/common non-debug logs to debug logs.

chrome/common/json_pref_store.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 "chrome/common/json_pref_store.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 78 matching lines @@
 
 // static
 void FileThreadDeserializer::HandleErrors(
     const Value* value,
     const FilePath& path,
     int error_code,
     const std::string& error_msg,
     PersistentPrefStore::PrefReadError* error) {
   *error = PersistentPrefStore::PREF_READ_ERROR_NONE;
   if (!value) {
-    VLOG(1) << "Error while loading JSON file: " << error_msg;
+    DVLOG(1) << "Error while loading JSON file: " << error_msg;
     switch (error_code) {
       case JSONFileValueSerializer::JSON_ACCESS_DENIED:
         *error = PersistentPrefStore::PREF_READ_ERROR_ACCESS_DENIED;
         break;
       case JSONFileValueSerializer::JSON_CANNOT_READ_FILE:
         *error = PersistentPrefStore::PREF_READ_ERROR_FILE_OTHER;
         break;
       case JSONFileValueSerializer::JSON_FILE_LOCKED:
         *error = PersistentPrefStore::PREF_READ_ERROR_FILE_LOCKED;
         break;
@@ skipping 204 matching lines @@
 }
 
 bool JsonPrefStore::SerializeData(std::string* output) {
   // TODO(tc): Do we want to prune webkit preferences that match the default
   // value?
   JSONStringValueSerializer serializer(output);
   serializer.set_pretty_print(true);
   scoped_ptr<DictionaryValue> copy(prefs_->DeepCopyWithoutEmptyChildren());
   return serializer.Serialize(*(copy.get()));
 }