Lazily create PPDCache directory on first store.

chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.cc

 // Copyright 2016 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/ui/webui/settings/chromeos/cups_printers_handler.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 64 matching lines @@
 }
 
 }  // namespace
 
 CupsPrintersHandler::CupsPrintersHandler(content::WebUI* webui)
     : printer_discoverer_(nullptr),
       profile_(Profile::FromWebUI(webui)),
       weak_factory_(this) {
   base::FilePath ppd_cache_path =
       profile_->GetPath().Append(FILE_PATH_LITERAL("PPDCache"));
-  if (!base::PathExists(ppd_cache_path) &&
-      !base::CreateDirectory(ppd_cache_path)) {
-    LOG(ERROR) << "Failed to create ppd cache directory "
-               << ppd_cache_path.MaybeAsASCII();
-  }
   ppd_provider_ = chromeos::printing::PpdProvider::Create(
       google_apis::GetAPIKey(), g_browser_process->system_request_context(),
       content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::FILE),
       chromeos::printing::PpdCache::Create(ppd_cache_path));
 }
 
 CupsPrintersHandler::~CupsPrintersHandler() {}
 
 void CupsPrintersHandler::RegisterMessages() {
@@ skipping 291 matching lines @@
                          *printers_list);
 }
 
 void CupsPrintersHandler::OnDiscoveryDone() {
   CallJavascriptFunction("cr.webUIListenerCallback",
                          base::StringValue("on-printer-discovery-done"));
 }
 
 }  // namespace settings
 }  // namespace chromeos