Cleanup/Remove Windows XP/Vista version checks from Windows sandbox code

sandbox/win/src/interception.cc

Index: sandbox/win/src/interception.cc
diff --git a/sandbox/win/src/interception.cc b/sandbox/win/src/interception.cc
index f0a2a61fb379be2d5d072ddf4f1dc96b333a4f11..ce3d4252ef770558e0374de0a79a176907accab8 100644
--- a/sandbox/win/src/interception.cc
+++ b/sandbox/win/src/interception.cc
@@ -469,12 +469,6 @@ bool InterceptionManager::PatchClientFunctions(DllInterceptionData* thunks,
       return false;
   }
 
-  if (base::win::GetVersion() <= base::win::VERSION_VISTA) {
-    Wow64 WowHelper(child_, ntdll_base);
-    if (!WowHelper.WaitForNtdll())

[Will Harris, 2016/03/17 23:05:58]

this appears to be the only place this is used, so can we delete wow64.cc and
wow64.h completely?

[kylix_rd, 2016/03/17 23:40:10]

I will certainly look into that.

[kylix_rd, 2016/03/21 19:09:09]

Done.

-      return false;
-  }
-
   char* interceptor_base = NULL;
 
 #if SANDBOX_EXPORTS