Make EarlGrey matchers compliant with Chromium style.

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

Index: ios/chrome/browser/ui/settings/translate_ui_egtest.mm
diff --git a/ios/chrome/browser/ui/settings/translate_ui_egtest.mm b/ios/chrome/browser/ui/settings/translate_ui_egtest.mm
index 2b3614c4bdb93c8006f322304d3a9d650b2c5f03..fee43dd602d6d6dab2c12c6a0505e1c5f7ea8f2e 100644
--- a/ios/chrome/browser/ui/settings/translate_ui_egtest.mm
+++ b/ios/chrome/browser/ui/settings/translate_ui_egtest.mm
@@ -37,14 +37,14 @@ const CGFloat kScrollDisplacement = 50.0;
       onElementWithMatcher:grey_accessibilityID(kToolsMenuTableViewId)]
       performAction:grey_tap()];
   [[[EarlGrey
-      selectElementWithMatcher:chrome_test_util::buttonWithAccessibilityLabelId(
+      selectElementWithMatcher:chrome_test_util::ButtonWithAccessibilityLabelId(
                                    IDS_IOS_CONTENT_SETTINGS_TITLE)]
          usingSearchAction:grey_scrollInDirection(kGREYDirectionDown,
                                                   kScrollDisplacement)
       onElementWithMatcher:grey_accessibilityID(kSettingsCollectionViewId)]
       performAction:grey_tap()];
   [[EarlGrey
-      selectElementWithMatcher:chrome_test_util::buttonWithAccessibilityLabelId(
+      selectElementWithMatcher:chrome_test_util::ButtonWithAccessibilityLabelId(
                                    IDS_IOS_TRANSLATE_SETTING)]
       performAction:grey_tap()];
 
@@ -69,7 +69,7 @@ const CGFloat kScrollDisplacement = 50.0;
                                        UIAccessibilityTraitButton),
                                    nil)] performAction:grey_tap()];
   [[EarlGrey
-      selectElementWithMatcher:chrome_test_util::buttonWithAccessibilityLabelId(
+      selectElementWithMatcher:chrome_test_util::ButtonWithAccessibilityLabelId(
                                    IDS_IOS_NAVIGATION_BAR_DONE_BUTTON)]
       performAction:grey_tap()];
 }