Switch to TimeDelta interfaces in chrome automation test infrastructure.

chrome_frame/test/perf/chrome_frame_perftest.cc

Index: chrome_frame/test/perf/chrome_frame_perftest.cc
diff --git a/chrome_frame/test/perf/chrome_frame_perftest.cc b/chrome_frame/test/perf/chrome_frame_perftest.cc
index c1fd280fb41dae680bd115f2db9c223c9f7937e7..a81428f99613e2cd8e1dd67ac2936023f30b84b1 100644
--- a/chrome_frame/test/perf/chrome_frame_perftest.cc
+++ b/chrome_frame/test/perf/chrome_frame_perftest.cc
@@ -1498,17 +1498,17 @@ bool RunSingleTestOutOfProc(const std::string& test_name) {
   if (!base::LaunchProcess(cmd_line, base::LaunchOptions(), &process_handle))
     return false;
 
-  int test_terminate_timeout_ms = 60 * 1000;
+  base::TimeDelta test_terminate_timeout = base::TimeDelta::FromMinutes(1);
   int exit_code = 0;
   if (!base::WaitForExitCodeWithTimeout(process_handle, &exit_code,
-    test_terminate_timeout_ms)) {
-      LOG(ERROR) << "Test timeout (" << test_terminate_timeout_ms
-        << " ms) exceeded for " << test_name;
+                                        test_terminate_timeout)) {
+    LOG(ERROR) << "Test timeout (" << test_terminate_timeout.InMilliseconds()
+               << " ms) exceeded for " << test_name;
 
-      exit_code = -1;  // Set a non-zero exit code to signal a failure.
+    exit_code = -1;  // Set a non-zero exit code to signal a failure.
 
-      // Ensure that the process terminates.
-      base::KillProcess(process_handle, -1, true);
+    // Ensure that the process terminates.
+    base::KillProcess(process_handle, -1, true);
   }
 
   base::CloseProcessHandle(process_handle);