[GTTF] Add an always-working timeout for browser_tests.

This one is implemented in the out-of-process launcher, so it's guaranteed
to work.

Not removing the MessageLoop delayed task sent inside the test because
currently not all browser tests use the launcher (sync tests?).

TEST=browser_tests
BUG=38053

Review URL: http://codereview.chromium.org/949002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@41694 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 19 insertions, 0 deletions

diff --git a/base/process_util_posix.cc b/base/process_util_posix.cc
index e9f2990..7dc0589 100644
--- a/base/process_util_posix.cc
+++ b/base/process_util_posix.cc
@@ -689,6 +689,25 @@ bool WaitForExitCode(ProcessHandle handle, int* exit_code) {
   return false;
 }
 
+bool WaitForExitCodeWithTimeout(ProcessHandle handle, int* exit_code,
+                                int64 timeout_milliseconds) {
+  bool waitpid_success = false;
+  int status = WaitpidWithTimeout(handle, timeout_milliseconds,
+                                  &waitpid_success);
+  if (status == -1)
+    return false;
+  if (!waitpid_success)
+    return false;
+  if (!WIFEXITED(status))
+    return false;
+  if (WIFSIGNALED(status)) {
+    *exit_code = -1;
+    return true;
+  }
+  *exit_code = WEXITSTATUS(status);
+  return true;
+}
+
 bool WaitForSingleProcess(ProcessHandle handle, int64 wait_milliseconds) {
   bool waitpid_success;
   int status;