Switch to TimeDelta interfaces in chrome automation test infrastructure.

chrome/test/automation/browser_proxy.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_TEST_AUTOMATION_BROWSER_PROXY_H_
 #define CHROME_TEST_AUTOMATION_BROWSER_PROXY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 88 matching lines @@
                             int flags,
                             bool press_escape_en_route) WARN_UNUSED_RESULT;
 
   // Block the thread until the tab count is |count|.
   // Returns true on success.
   bool WaitForTabCountToBecome(int count) WARN_UNUSED_RESULT;
 
   // Block the thread until the specified tab is the active tab.
   // |wait_timeout| is the timeout, in milliseconds, for waiting.
   // Returns false if the tab does not become active.
-  bool WaitForTabToBecomeActive(int tab, int wait_timeout) WARN_UNUSED_RESULT;
+  bool WaitForTabToBecomeActive(
+      int tab,
+      base::TimeDelta wait_timeout) WARN_UNUSED_RESULT;
 
   // Opens the FindInPage box. Note: If you just want to search within a tab
   // you don't need to call this function, just use FindInPage(...) directly.
   bool OpenFindInPage() WARN_UNUSED_RESULT;
 
   // Returns whether the Find window is fully visible If animating, |is_visible|
   // will be false. Returns false on failure.
   bool IsFindWindowFullyVisible(bool* is_visible) WARN_UNUSED_RESULT;
 
   // Run the specified command in the browser
@@ skipping 53 matching lines @@
   bool SendJSONRequest(const std::string& request,
                        int timeout_ms,
                        std::string* response) WARN_UNUSED_RESULT;
 
   // Gets the load times for all tabs started from the command line.
   // Puts the time of the first tab to start loading into |min_start_time|,
   // the time when loading stopped into |max_stop_time| (should be similar to
   // the delay that WaitForInitialLoads waits for), and a list of all
   // finished timestamps into |stop_times|. Returns true on success.
   bool GetInitialLoadTimes(
-      int timeout_ms,
+      base::TimeDelta timeout,
       float* min_start_time,
       float* max_stop_time,
       std::vector<float>* stop_times);
 
 
  protected:
   virtual ~BrowserProxy() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserProxy);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_BROWSER_PROXY_H_