Add the pdf plugin's source in src\pdf.

pdf/pdf.h

+// 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.
+
+#ifndef PDF_PDF_H_
+#define PDF_PDF_H_
+
+#include "ppapi/cpp/module.h"
+
+namespace chrome_pdf {
+
+class PDFModule : public pp::Module {
+ public:
+  PDFModule();
+  virtual ~PDFModule();
+
+  // pp::Module implementation.
+  virtual bool Init();

[tfarina, 2014/05/20 20:33:08]

Are we going to work on making this code run under chromium-style clang plugin?

We exclude this directory in tools/clang/plugins/ChromeClassTester.cpp:161.

It would have warned to add OVERRIDE here.

+  virtual pp::Instance* CreateInstance(PP_Instance instance);
+};
+
+}  // namespace chrome_pdf
+
+#endif  // PDF_PDF_H_