Allow handles through for official builds too (partial revert)

base/process/launch_win.cc

Index: base/process/launch_win.cc
diff --git a/base/process/launch_win.cc b/base/process/launch_win.cc
index 97b59a5bfe45f5cf9d4b779446b46bd43795ba53..1349b3e4af3d101d4515e04d5ae081195e73016a 100644
--- a/base/process/launch_win.cc
+++ b/base/process/launch_win.cc
@@ -142,14 +142,7 @@ void RouteStdioToConsole(bool create_console_if_not_found) {
   // _fileno(stdout) will return -2 (_NO_CONSOLE_FILENO) if stdout was
   // invalid.
   if (_fileno(stdout) >= 0 || _fileno(stderr) >= 0) {
-    // _fileno was broken for SUBSYSTEM:WINDOWS from VS2010 to VS2012/2013.
-    // http://crbug.com/358267. Confirm that the underlying HANDLE is valid
-    // before aborting.
-
-    intptr_t stdout_handle = _get_osfhandle(_fileno(stdout));
-    intptr_t stderr_handle = _get_osfhandle(_fileno(stderr));
-    if (stdout_handle >= 0 || stderr_handle >= 0)
-      return;
+    return;
   }
 
   if (!AttachConsole(ATTACH_PARENT_PROCESS)) {