Revert of Fix tests for check-ipc Clang plugin to pass on Windows.

tools/clang/plugins/tests/ipc.cpp

Index: tools/clang/plugins/tests/ipc.cpp
diff --git a/tools/clang/plugins/tests/ipc.cpp b/tools/clang/plugins/tests/ipc.cpp
index d2bcef1d58d85e552c1dbaf00a7336edac14a10b..0347e1cf2160e5422591f772e316d8e509208af3 100644
--- a/tools/clang/plugins/tests/ipc.cpp
+++ b/tools/clang/plugins/tests/ipc.cpp
@@ -202,7 +202,7 @@
 IPC_TEST_MESSAGE(__COUNTER__, (std::vector<std::vector<long&>&>&)) // ERROR
 
 
-/* Check IPC::WriteParam() arguments. ERRORS: 30 */
+/* Check IPC::WriteParam() arguments. ERRORS: 31 */
 
 // ERRORS: 21
 void TestWriteParamArgument() {
@@ -305,7 +305,7 @@
   std::vector<uint64_t> uint64s_data;
 };
 
-// ERRORS: 9
+// ERRORS: 10
 void TestWriteParamMemberArgument() {
   Provider p;
 
@@ -325,9 +325,7 @@
   IPC::WriteParam(nullptr, p.get_long()); // ERROR
   IPC::WriteParam(nullptr, p.long_data); // ERROR
 
-  // This one is flaky and depends on whether size_t is typedefed to a
-  // blacklisted type (unsigned long).
-  //IPC::WriteParam(nullptr, p.get<size_t>()); // ERROR
+  IPC::WriteParam(nullptr, p.get<size_t>()); // ERROR
   IPC::WriteParam(nullptr, p.get_size()); // ERROR
   IPC::WriteParam(nullptr, p.size_data); // ERROR
 
@@ -350,4 +348,4 @@
 }
 
 
-/* ERRORS: 41 */
+/* ERRORS: 42 */