Implement the host side of the PPB_PDF proxy.

ppapi/tests/test_pdf.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 PPAPI_TESTS_TEST_EMPTY_H_
-#define PPAPI_TESTS_TEST_EMPTY_H_
+#ifndef PAPPI_TESTS_TEST_PDF_H_
+#define PAPPI_TESTS_TEST_PDF_H_
 
 #include <string>
 
+#include "ppapi/c/pp_stdint.h"
 #include "ppapi/tests/test_case.h"
 
-class TestEmpty : public TestCase {
+class TestPDF : public TestCase {
  public:
-  explicit TestEmpty(TestingInstance* instance);
+  explicit TestPDF(TestingInstance* instance);
 
   // TestCase implementation.
-  virtual bool Init();
   virtual void RunTests(const std::string& filter);
 
  private:
-  std::string TestNaClLoad();
+  std::string TestGetLocalizedString();
+  std::string TestGetResourceImage();
 };
 
-#endif  // PPAPI_TESTS_TEST_EMPTY_H_
+#endif  // PAPPI_TESTS_TEST_PDF_H_