Reland r167487: Get full WebPluginInfo for the PDF plug-in before enabling it for print preview.

chrome/browser/printing/print_preview_test.h

+// Copyright (c) 2012 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.
+
+#ifndef CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TEST_H_
+#define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TEST_H_
+
+#include "chrome/test/base/browser_with_test_window_test.h"
+#include "webkit/plugins/npapi/mock_plugin_list.h"
+
+class PrintPreviewTest : public BrowserWithTestWindowTest {
+ public:
+  PrintPreviewTest();
+  virtual ~PrintPreviewTest();
+
+ protected:
+  virtual void SetUp() OVERRIDE;
+
+ private:
+  webkit::npapi::MockPluginList plugin_list_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrintPreviewTest);
+};
+
+#endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_TEST_H_
+