Rename ios/web_view public delegates from CRIWV to CWV prefix.

ios/web_view/shell/translate_controller.m

 // Copyright 2014 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_view/shell/translate_controller.h"
 
 #import <UIKit/UIKit.h>
 
 #import "ios/web_view/public/criwv_translate_manager.h"
 
@@ skipping 11 matching lines @@
 @implementation TranslateController
 
 @synthesize beforeTranslateActionSheet = _beforeTranslateActionSheet;
 @synthesize translateManager = _translateManager;
 
 - (void)dealloc {
   [_beforeTranslateActionSheet dismissViewControllerAnimated:YES
                                                   completion:nil];
 }
 
-#pragma mark CRIWVTranslateDelegate methods
+#pragma mark CWVTranslateDelegate methods
 
 - (void)translateStepChanged:(CRIWVTransateStep)step
                      manager:(id<CRIWVTranslateManager>)manager {
   if (step == CRIWVTransateStepBeforeTranslate) {
     self.translateManager = manager;
     self.beforeTranslateActionSheet = [UIAlertController
         alertControllerWithTitle:nil
                          message:@"Translate?"
                   preferredStyle:UIAlertControllerStyleActionSheet];
     UIAlertAction* cancelAction =
@@ skipping 16 matching lines @@
     [_beforeTranslateActionSheet addAction:translateAction];
 
     [[UIApplication sharedApplication].keyWindow.rootViewController
         presentViewController:_beforeTranslateActionSheet
                      animated:YES
                    completion:nil];
   }
 }
 
 @end