Interrogate PpdProvider from PrintPreview.

chrome/browser/chromeos/printing/ppd_provider_factory.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/chromeos/printing/ppd_provider_factory.h"
+
+#include <memory>
+
+#include "base/files/file_path.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chromeos/printing/ppd_cache.h"
+#include "chromeos/printing/ppd_provider.h"
+#include "content/public/browser/browser_thread.h"
+#include "google_apis/google_api_keys.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace chromeos {
+namespace printing {
+
+std::unique_ptr<PpdProvider> CreateProvider(Profile* profile) {
+  base::FilePath ppd_cache_path =
+      profile->GetPath().Append(FILE_PATH_LITERAL("PPDCache"));
+
+  return PpdProvider::Create(google_apis::GetAPIKey(),
+                             g_browser_process->system_request_context(),
+                             content::BrowserThread::GetTaskRunnerForThread(
+                                 content::BrowserThread::FILE),
+                             PpdCache::Create(ppd_cache_path));
+}
+
+}  // namespace printing
+}  // namespace chromeos