[SyncFS] Replace LOG_INFO to LOG_VERBOSE in SyncFS stuff

chrome/browser/sync_file_system/local/root_delete_helper.cc

 // Copyright 2013 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/browser/sync_file_system/local/root_delete_helper.h"
 
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/sync_file_system/local/local_file_change_tracker.h"
 #include "chrome/browser/sync_file_system/local/local_file_sync_status.h"
 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
@@ skipping 38 matching lines @@
   DCHECK(!callback_.is_null());
   DCHECK(sync_status_);
   // This is expected to run on the filesystem root.
   DCHECK(fileapi::VirtualPath::IsRootPath(url.path()));
 }
 
 RootDeleteHelper::~RootDeleteHelper() {
 }
 
 void RootDeleteHelper::Run() {
-  util::Log(logging::LOG_INFO, FROM_HERE,
+  util::Log(logging::LOG_VERBOSE, FROM_HERE,
             "Deleting the entire local filesystem for remote root deletion: "
             "%s", url_.DebugString().c_str());
 
   file_system_context_->DeleteFileSystem(
       url_.origin(), url_.type(),
       base::Bind(&RootDeleteHelper::DidDeleteFileSystem,
                  weak_factory_.GetWeakPtr()));
 }
 
 void RootDeleteHelper::DidDeleteFileSystem(base::File::Error error) {
@@ skipping 26 matching lines @@
 }
 
 void RootDeleteHelper::DidOpenFileSystem(const GURL& /* root */,
                                          const std::string& /* name */,
                                          base::File::Error error) {
   FileStatusCallback callback = callback_;
   callback.Run(error);
 }
 
 }  // namespace sync_file_system