Split closures from iomgr.h
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index f7217b1..d88e038 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -277,8 +277,10 @@
<ClInclude Include="..\..\..\src\core\iomgr\alarm.h" />
<ClInclude Include="..\..\..\src\core\iomgr\alarm_heap.h" />
<ClInclude Include="..\..\..\src\core\iomgr\alarm_internal.h" />
+ <ClInclude Include="..\..\..\src\core\iomgr\closure.h" />
<ClInclude Include="..\..\..\src\core\iomgr\endpoint.h" />
<ClInclude Include="..\..\..\src\core\iomgr\endpoint_pair.h" />
+ <ClInclude Include="..\..\..\src\core\iomgr\exec_ctx.h" />
<ClInclude Include="..\..\..\src\core\iomgr\fd_posix.h" />
<ClInclude Include="..\..\..\src\core\iomgr\iocp_windows.h" />
<ClInclude Include="..\..\..\src\core\iomgr\iomgr.h" />
@@ -466,6 +468,8 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\iomgr\alarm_heap.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\iomgr\closure.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\iomgr\endpoint.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\iomgr\endpoint_pair_posix.c">