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

ppapi/tests/test_cursor_control.h

Index: ppapi/tests/test_cursor_control.h
diff --git a/ppapi/tests/test_cursor_control.h b/ppapi/tests/test_cursor_control.h
index 0159660dbe85160e17b024e41555329e564b1c1f..028ad09957090e1c8f44a0c7223acb001952ebae 100644
--- a/ppapi/tests/test_cursor_control.h
+++ b/ppapi/tests/test_cursor_control.h
@@ -8,10 +8,9 @@
 #include <string>
 #include <vector>
 
+#include "ppapi/c/dev/ppb_cursor_control_dev.h"
 #include "ppapi/tests/test_case.h"
 
-struct PPB_CursorControl_Dev;
-
 class TestCursorControl : public TestCase {
  public:
   TestCursorControl(TestingInstance* instance);
@@ -23,7 +22,7 @@ class TestCursorControl : public TestCase {
  private:
   std::string TestSetCursor();
 
-  const struct PPB_CursorControl_Dev* cursor_control_interface_;
+  const PPB_CursorControl_Dev* cursor_control_interface_;
 };
 
 #endif  // PPAPI_TESTS_TEST_CURSOR_CONTROL_H_