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

ppapi/tests/test_case.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 PPAPI_TESTS_TEST_CASE_H_
 #define PPAPI_TESTS_TEST_CASE_H_
 
 #include <cmath>
 #include <limits>
 #include <string>
 
 #include "ppapi/c/pp_resource.h"
+#include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/cpp/dev/scrollbar_dev.h"
 
 #if (defined __native_client__)
 #include "ppapi/cpp/var.h"
 #else
 #include "ppapi/cpp/private/var_private.h"
 #endif
 
-struct PPB_Testing_Dev;
 class TestingInstance;
 
 namespace pp {
 namespace deprecated {
 class ScriptableObject;
 }
 }
 
 // Individual classes of tests derive from this generic test case.
 class TestCase {
@@ skipping 159 matching lines @@
 #define ASSERT_FALSE(cmd) ASSERT_TRUE(!(cmd))
 #define ASSERT_EQ(a, b) ASSERT_TRUE((a) == (b))
 #define ASSERT_NE(a, b) ASSERT_TRUE((a) != (b))
 
 #define ASSERT_DOUBLE_EQ(a, b) ASSERT_TRUE( \
     std::fabs((a)-(b)) <= std::numeric_limits<double>::epsilon())
 
 #define PASS() return std::string()
 
 #endif  // PPAPI_TESTS_TEST_CASE_H_