Make custom GREYAction methods Chromium C-Style.

ios/chrome/browser/ui/settings/block_popups_egtest.mm

 // 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.
 
 #import <EarlGrey/EarlGrey.h>
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
 #include "base/ios/ios_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 256 matching lines @@
   // Make sure that the "example.com" exception is listed.
   [[EarlGrey selectElementWithMatcher:grey_text(base::SysUTF8ToNSString(
                                           allowedPattern))]
       assertWithMatcher:grey_sufficientlyVisible()];
 
   // Toggle the switch off via the UI and make sure the exceptions are not
   // visible.
   [[EarlGrey
       selectElementWithMatcher:chrome_test_util::CollectionViewSwitchCell(
                                    @"blockPopupsContentView_switch", YES)]
-      performAction:chrome_test_util::turnCollectionViewSwitchOn(NO)];
+      performAction:chrome_test_util::TurnCollectionViewSwitchOn(NO)];
   [[EarlGrey selectElementWithMatcher:grey_text(base::SysUTF8ToNSString(
                                           allowedPattern))]
       assertWithMatcher:grey_notVisible()];
   [[EarlGrey
       selectElementWithMatcher:grey_accessibilityLabel(l10n_util::GetNSString(
                                    IDS_IOS_NAVIGATION_BAR_EDIT_BUTTON))]
       assertWithMatcher:grey_notVisible()];
   [[EarlGrey selectElementWithMatcher:NavigationBarDoneButton()]
       assertWithMatcher:grey_sufficientlyVisible()];
 
   // Toggle the switch back on via the UI and make sure the exceptions are now
   // visible.
   [[EarlGrey
       selectElementWithMatcher:chrome_test_util::CollectionViewSwitchCell(
                                    @"blockPopupsContentView_switch", NO)]
-      performAction:chrome_test_util::turnCollectionViewSwitchOn(YES)];
+      performAction:chrome_test_util::TurnCollectionViewSwitchOn(YES)];
   [[EarlGrey selectElementWithMatcher:grey_text(base::SysUTF8ToNSString(
                                           allowedPattern))]
       assertWithMatcher:grey_sufficientlyVisible()];
   [[EarlGrey
       selectElementWithMatcher:grey_accessibilityLabel(l10n_util::GetNSString(
                                    IDS_IOS_NAVIGATION_BAR_EDIT_BUTTON))]
       assertWithMatcher:grey_sufficientlyVisible()];
 
   CloseSettings();
 }
 
 @end