GTTF: launch test processes using job objects on Windows.

base/process/launch.h

Index: base/process/launch.h
diff --git a/base/process/launch.h b/base/process/launch.h
index 944c1bc042fc4ff6ccb4440e3684377a6dee20b7..ac2df5eee5f751c3c718190a62db078dbc826835 100644
--- a/base/process/launch.h
+++ b/base/process/launch.h
@@ -164,12 +164,9 @@ BASE_EXPORT void CloseSuperfluousFds(const InjectiveMultimap& saved_map);
 #endif  // defined(OS_POSIX)
 
 #if defined(OS_WIN)
-// Set JOBOBJECT_EXTENDED_LIMIT_INFORMATION to JobObject |job_object|.
-// As its limit_info.BasicLimitInformation.LimitFlags has
-// JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE.
-// When the provide JobObject |job_object| is closed, the binded process will
-// be terminated.
-BASE_EXPORT bool SetJobObjectAsKillOnJobClose(HANDLE job_object);
+// Set |job_object|'s JOBOBJECT_EXTENDED_LIMIT_INFORMATION
+// BasicLimitInformation.LimitFlags to |limit_flags|.
+BASE_EXPORT bool SetJobObjectLimitFlags(HANDLE job_object, DWORD limit_flags);
 
 // Output multi-process printf, cout, cerr, etc to the cmd.exe console that ran
 // chrome. This is not thread-safe: only call from main thread.