Update PPAPI IDL generator to define versioned structs, and unversioned typedef.

ppapi/tests/test_websocket.h

 // Copyright (c) 2011 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 PAPPI_TESTS_TEST_WEBSOCKET_H_
 #define PAPPI_TESTS_TEST_WEBSOCKET_H_
 
 #include <string>
 
+#include "ppapi/c/dev/ppb_websocket_dev.h"
+#include "ppapi/c/ppb_core.h"
+#include "ppapi/c/ppb_var.h"
 #include "ppapi/tests/test_case.h"
 
-struct PPB_Core;
-struct PPB_Var;
-struct PPB_WebSocket_Dev;
-
 class TestWebSocket : public TestCase {
  public:
   explicit TestWebSocket(TestingInstance* instance) : TestCase(instance) {}
 
  private:
   // TestCase implementation.
   virtual bool Init();
   virtual void RunTests(const std::string& filter);
 
   PP_Var CreateVar(const char* string);
@@ skipping 15 matching lines @@
 
   std::string TestCcInterfaces();
 
   // Used by the tests that access the C API directly.
   const PPB_WebSocket_Dev* websocket_interface_;
   const PPB_Var* var_interface_;
   const PPB_Core* core_interface_;
 };
 
 #endif  // PAPPI_TESTS_TEST_WEBSOCKET_H_