Make EarlGrey matchers compliant with Chromium style.

ios/chrome/browser/ui/infobars/infobar_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 <XCTest/XCTest.h>
 
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
@@ skipping 75 matching lines @@
 
   infobars::InfoBarManager* manager = GetCurrentInfoBarManager();
   GREYAssertEqual(expected_count, manager->infobar_count(),
                   @"Incorrect number of infobars.");
   [[GREYCondition
       conditionWithName:condition_name
                   block:^BOOL {
                     NSError* error = nil;
                     [[EarlGrey
                         selectElementWithMatcher:
-                            chrome_test_util::staticTextWithAccessibilityLabel(
+                            chrome_test_util::StaticTextWithAccessibilityLabel(
                                 base::SysUTF8ToNSString(kTestInfoBarTitle))]
                         assertWithMatcher:expected_visibility
                                     error:&error];
                     return error == nil;
                   }] waitWithTimeout:kTimeout];
 }
 
 }  // namespace
 
 // Tests functionality related to infobars.
@@ skipping 55 matching lines @@
   [ChromeEarlGrey loadURL:ponyURL];
 
   // Close the first tab.  Verify that there is only one tab remaining and its
   // infobar is visible.
   chrome_test_util::CloseCurrentTab();
   chrome_test_util::AssertMainTabCount(1U);
   VerifyTestInfoBarVisibleForCurrentTab(true);
 }
 
 @end