GTTF: Detect browser crashes on shutdown in UI tests.

base/process_util_posix.cc

Index: base/process_util_posix.cc
===================================================================
--- base/process_util_posix.cc	(revision 80488)
+++ base/process_util_posix.cc	(working copy)
@@ -724,14 +724,15 @@
     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;
+  if (WIFEXITED(status)) {
+    *exit_code = WEXITSTATUS(status);
+    return true;
+  }
+  return false;
 }
 
 #if defined(OS_MACOSX)
@@ -821,19 +822,6 @@
   }
 }
 
-bool CrashAwareSleep(ProcessHandle handle, int64 wait_milliseconds) {
-  bool waitpid_success;
-  int status = WaitpidWithTimeout(handle, wait_milliseconds, &waitpid_success);
-  if (status != -1) {
-    DCHECK(waitpid_success);
-    return !(WIFEXITED(status) || WIFSIGNALED(status));
-  } else {
-    // If waitpid returned with an error, then the process doesn't exist
-    // (which most probably means it didn't exist before our call).
-    return waitpid_success;
-  }
-}
-
 int64 TimeValToMicroseconds(const struct timeval& tv) {
   static const int kMicrosecondsPerSecond = 1000000;
   int64 ret = tv.tv_sec;  // Avoid (int * int) integer overflow.