Removed -[CRWWebDelegate webController:titleDidChange:].

ios/chrome/browser/tabs/tab.mm

 // Copyright 2012 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/chrome/browser/tabs/tab.h"
 
 #import <CoreLocation/CoreLocation.h>
 #import <UIKit/UIKit.h>
 
 #include <utility>
@@ skipping 1778 matching lines @@
 }
 
 - (void)webState:(web::WebState*)webState
     didChangeLoadingProgress:(double)progress {
   // TODO(crbug.com/546406): It is probably possible to do something smarter,
   // but the fact that this is not always sent will have to be taken into
   // account.
   [parentTabModel_ notifyTabChanged:self];
 }
 
+- (void)webStateDidChangeTitle:(web::WebState*)webState {
+  [self saveTitleToHistoryDB];
+  [parentTabModel_ notifyTabChanged:self];
+}
+
 - (void)webStateDidDismissInterstitial:(web::WebState*)webState {
   [parentTabModel_ notifyTabChanged:self];
 }
 
 - (void)webLoadCancelled:(const GURL&)url {
   // When a load is cancelled, this is the maximum that a page will ever load.
   [fullScreenController_ enableFullScreen];
   [parentTabModel_ notifyTabChanged:self];
 }
 
 - (BOOL)webController:(CRWWebController*)webController
     shouldOpenExternalURL:(const GURL&)URL {
   if (isPrerenderTab_ && !isLinkLoadingPrerenderTab_) {
     [delegate_ discardPrerender];
     return NO;
   }
   return YES;
 }
 
-- (void)webController:(CRWWebController*)webController
-       titleDidChange:(NSString*)title {
-  [self saveTitleToHistoryDB];
-  [parentTabModel_ notifyTabChanged:self];
-}
-
 - (BOOL)urlTriggersNativeAppLaunch:(const GURL&)url
                          sourceURL:(const GURL&)sourceURL
                        linkClicked:(BOOL)linkClicked {
   // Don't open any native app directly when prerendering or from Incognito.
   if (isPrerenderTab_ || self.browserState->IsOffTheRecord())
     return NO;
 
   base::scoped_nsprotocol<id<NativeAppMetadata>> metadata(
       [[ios::GetChromeBrowserProvider()->GetNativeAppWhitelistManager()
           nativeAppForURL:url] retain]);
@@ skipping 375 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end