Fix include/import in ios/testing and ios/chrome/test

ios/testing/wait_util.h

 // Copyright 2016 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 IOS_TESTING_WAIT_UTIL_H_
 #define IOS_TESTING_WAIT_UTIL_H_
 
 #import <Foundation/Foundation.h>
 
-#include "base/ios/block_types.h"
+#import "base/ios/block_types.h"
 
 namespace testing {
 
 // Constant for UI wait loop in seconds.
 extern const NSTimeInterval kSpinDelaySeconds;
 
 // Constant for timeout in seconds while waiting for UI element.
 extern const NSTimeInterval kWaitForUIElementTimeout;
 
 // Constant for timeout in seconds while waiting for JavaScript completion.
 extern const NSTimeInterval kWaitForJSCompletionTimeout;
 
 // Constant for timeout in seconds while waiting for a download to complete.
 extern const NSTimeInterval kWaitForDownloadTimeout;
 
 // Constant for timeout in seconds while waiting for a pageload to complete.
 extern const NSTimeInterval kWaitForPageLoadTimeout;
 
 // Returns true when condition() becomes true, otherwise returns false after
 // |timeout|.
 bool WaitUntilConditionOrTimeout(NSTimeInterval timeout,
                                  ConditionBlock condition);
 
 }  // namespace testing
 
 #endif  // IOS_TESTING_WAIT_UTIL_H_