Adding "static_assert" in lieu of "COMPILE_ASSERT" in ipc module

ipc/ipc_channel_win.cc

Index: ipc/ipc_channel_win.cc
diff --git a/ipc/ipc_channel_win.cc b/ipc/ipc_channel_win.cc
index 2ad638b2f67ee4b2f76e03ca7ba7d50117ef8e9b..384c892c9b3017053cb25405a35ef2bc70384909 100644
--- a/ipc/ipc_channel_win.cc
+++ b/ipc/ipc_channel_win.cc
@@ -29,8 +29,9 @@ ChannelWin::State::State(ChannelWin* channel) : is_pending(false) {
 }
 
 ChannelWin::State::~State() {
-  COMPILE_ASSERT(!offsetof(ChannelWin::State, context),
-                 starts_with_io_context);
+  static_assert(offsetof(ChannelWin::State, context) == 0,
+                "ChannelWin::State should have context as its first data"
+                "member.");
 }
 
 ChannelWin::ChannelWin(const IPC::ChannelHandle &channel_handle,