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

ppapi/tests/test_broker.h

Index: ppapi/tests/test_broker.h
diff --git a/ppapi/tests/test_broker.h b/ppapi/tests/test_broker.h
index 37825daa3ea2478b05d0f15bdc5d72995eae11e7..c840b10fab6c833562b8737770a94ea8ae5edd1d 100644
--- a/ppapi/tests/test_broker.h
+++ b/ppapi/tests/test_broker.h
@@ -8,10 +8,9 @@
 #include <string>
 #include <vector>
 
+#include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/tests/test_case.h"
 
-struct PPB_BrokerTrusted;
-
 class TestBroker : public TestCase {
  public:
   TestBroker(TestingInstance* instance);
@@ -26,7 +25,7 @@ class TestBroker : public TestCase {
   std::string TestGetHandleFailure();
   std::string TestConnectAndPipe();
 
-  const struct PPB_BrokerTrusted* broker_interface_;
+  const PPB_BrokerTrusted* broker_interface_;
 };
 
 #endif  // PPAPI_TESTS_TEST_BROKER_H_