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

ios/web_view/shell/shell_view_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/shell_view_controller.h"
 
 #import "ios/web_view/public/criwv.h"
 #import "ios/web_view/public/cwv_web_view.h"
 #import "ios/web_view/shell/translate_controller.h"
 
@@ skipping 154 matching lines @@
 
 - (void)updateToolbar {
   // Do not update the URL if the text field is currently being edited.
   if ([_field isFirstResponder]) {
     return;
   }
 
   [_field setText:[[_webView visibleURL] absoluteString]];
 }
 
-#pragma mark CRIWVWebViewDelegate methods
+#pragma mark CWVWebViewDelegate methods
 
 - (void)webView:(CWVWebView*)webView
     didFinishLoadingWithURL:(NSURL*)url
                 loadSuccess:(BOOL)loadSuccess {
   // TODO(crbug.com/679895): Add some visual indication that the page load has
   // finished.
   [self updateToolbar];
 }
 
 - (void)webView:(CWVWebView*)webView
     didUpdateWithChanges:(CRIWVWebViewUpdateType)changes {
   if (changes & CRIWVWebViewUpdateTypeProgress) {
     // TODO(crbug.com/679895): Add a progress indicator.
   }
 
   if (changes & CRIWVWebViewUpdateTypeTitle) {
     // TODO(crbug.com/679895): Add a title display.
   }
 
   if (changes & CRIWVWebViewUpdateTypeURL) {
     [self updateToolbar];
   }
 }
 
-- (id<CRIWVTranslateDelegate>)translateDelegate {
+- (id<CWVTranslateDelegate>)translateDelegate {
   if (!_translateController)
     self.translateController = [[TranslateController alloc] init];
   return _translateController;
 }
 
 @end