Remove spammy line from the verbose installer log.

chrome/installer/util/create_reg_key_work_item.cc

 // Copyright (c) 2010 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 <shlwapi.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/win/registry.h"
 #include "chrome/installer/util/create_reg_key_work_item.h"
@@ skipping 45 matching lines @@
 
     if (key.CreateWithDisposition(predefined_root_, key_path.c_str(),
                                   &disposition, KEY_READ) == ERROR_SUCCESS) {
       if (disposition == REG_OPENED_EXISTING_KEY) {
         if (key_created_) {
           // This should not happen. Someone created a subkey under the key
           // we just created?
           LOG(ERROR) << key_path << " exists, this is not expected.";
           return false;
         }
-        VLOG(1) << key_path << " exists";
         // Remove the key path from list if it is already present.
         key_list_.pop_back();
       } else if (disposition == REG_CREATED_NEW_KEY) {
         VLOG(1) << "created " << key_path;
         key_created_ = true;
       } else {
         LOG(ERROR) << "unkown disposition";
         return false;
       }
     } else {
@@ skipping 38 matching lines @@
 
   do {
     key_list_.push_back(key_path);
     // This is pure string operation so it does not matter whether the
     // path is file path or registry path.
     UpOneDirectoryOrEmpty(&key_path);
   } while (!key_path.empty());
 
   return true;
 }