Make EarlGrey matchers compliant with Chromium style.

ios/web/public/test/earl_grey/web_view_actions.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 "ios/web/public/test/earl_grey/web_view_actions.h"
 
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #import "base/mac/bind_objc_block.h"
 #include "base/strings/stringprintf.h"
@@ skipping 148 matching lines @@
                            @"javascript for element_id %s",
                            element_id.c_str()];
       NSDictionary* user_info = @{NSLocalizedDescriptionKey : description};
       *error = [NSError errorWithDomain:kGREYInteractionErrorDomain
                                    code:kGREYInteractionActionFailedErrorCode
                                userInfo:user_info];
       return NO;
     }
 
     // Run the action.
-    [[EarlGrey selectElementWithMatcher:webViewInWebState(state)]
+    [[EarlGrey selectElementWithMatcher:WebViewInWebState(state)]
         performAction:action
                 error:error];
 
     if (*error) {
       return NO;
     }
 
     // Wait for the verified to trigger and set |verified|.
     NSString* verification_timeout_message =
         [NSString stringWithFormat:@"The action (%@) on element_id %s wasn't "
                                    @"verified before timing out.",
                                    action.name, element_id.c_str()];
     GREYAssert(testing::WaitUntilConditionOrTimeout(
                    kWaitForVerificationTimeout,
                    ^{
                      return verified;
                    }),
                verification_timeout_message);
 
     // If |verified| is not true, the wait condition should have already exited
     // this control flow, so sanity check that it has in fact been set to
     // true by this point.
     DCHECK(verified);
     return YES;
   };
 
   return [GREYActionBlock actionWithName:action_name
-                             constraints:webViewInWebState(state)
+                             constraints:WebViewInWebState(state)
                             performBlock:verified_tap];
 }
 
 id<GREYAction> webViewLongPressElementForContextMenu(
     WebState* state,
     const std::string& element_id,
     bool triggers_context_menu) {
   CGRect rect = web::test::GetBoundingRectOfElementWithId(state, element_id);
   if (CGRectIsEmpty(rect)) {
     return webViewElementNotFound(element_id);
@@ skipping 10 matching lines @@
 id<GREYAction> webViewTapElement(WebState* state,
                                  const std::string& element_id) {
   CGRect rect = web::test::GetBoundingRectOfElementWithId(state, element_id);
   CGPoint point = CGPointMake(CGRectGetMidX(rect), CGRectGetMidY(rect));
   return CGRectIsEmpty(rect) ? webViewElementNotFound(element_id)
                              : webViewVerifiedActionOnElement(
                                    state, grey_tapAtPoint(point), element_id);
 }
 
 }  // namespace web