Switch to TimeDelta interfaces in chrome automation test infrastructure.

chrome/test/automation/javascript_execution_controller.h

 // Copyright (c) 2012 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_JAVASCRIPT_EXECUTION_CONTROLLER_H_
 #define CHROME_TEST_AUTOMATION_JAVASCRIPT_EXECUTION_CONTROLLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 53 matching lines @@
         FirstObjectAdded();
       handle_to_object_.insert(std::make_pair(handle, obj));
     } else {
       obj = static_cast<JavaScriptObject*>(iter->second);
     }
     return obj;
   }
 
   // Sets a timeout to be used for all JavaScript methods in which a response
   // is returned asynchronously.
-  static void set_timeout(int timeout_ms) { timeout_ms_ = timeout_ms; }
+  static void set_timeout(base::TimeDelta timeout) {
+    timeout_ms_ = timeout.InMilliseconds();
+  }
 
  protected:
   virtual ~JavaScriptExecutionController();
 
   // Executes |script| and sets the JSON response |json|. Returns true
   // on success.
   virtual bool ExecuteJavaScriptAndGetJSON(const std::string& script,
                                            std::string* json) = 0;
 
   // Called when this controller is tracking its first object. Used by
@@ skipping 28 matching lines @@
   // Timeout to use for all asynchronous methods.
   static int timeout_ms_;
 
   // Weak pointer to all the object proxies that we create.
   HandleToObjectMap handle_to_object_;
 
   DISALLOW_COPY_AND_ASSIGN(JavaScriptExecutionController);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_JAVASCRIPT_EXECUTION_CONTROLLER_H_