Removed -[CRWWebDelegate webController:titleDidChange:].

ios/web/web_state/web_state_observer_bridge_unittest.mm

 // Copyright 2017 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/web_state/web_state_observer_bridge.h"
 
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "ios/web/public/favicon_url.h"
 #import "ios/web/public/test/fakes/crw_test_web_state_observer.h"
@@ skipping 83 matching lines @@
 TEST_F(WebStateObserverBridgeTest, LoadProgressChanged) {
   ASSERT_FALSE([observer_ changeLoadingProgressInfo]);
 
   const double kTestLoadProgress = 0.75;
   bridge_->LoadProgressChanged(kTestLoadProgress);
   ASSERT_TRUE([observer_ changeLoadingProgressInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ changeLoadingProgressInfo]->web_state);
   EXPECT_EQ(kTestLoadProgress, [observer_ changeLoadingProgressInfo]->progress);
 }
 
+// Tests |webStateDidChangeTitle:| forwarding.
+TEST_F(WebStateObserverBridgeTest, TitleWasSet) {
+  ASSERT_FALSE([observer_ titleWasSetInfo]);
+
+  bridge_->TitleWasSet();
+  ASSERT_TRUE([observer_ titleWasSetInfo]);
+  EXPECT_EQ(&test_web_state_, [observer_ titleWasSetInfo]->web_state);
+}
+
 // Tests |webState:didSubmitDocumentWithFormNamed:userInitiated:| forwarding.
 TEST_F(WebStateObserverBridgeTest, DocumentSubmitted) {
   ASSERT_FALSE([observer_ submitDocumentInfo]);
 
   std::string kTestFormName("form-name");
   BOOL user_initiated = YES;
   bridge_->DocumentSubmitted(kTestFormName, user_initiated);
   ASSERT_TRUE([observer_ submitDocumentInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ submitDocumentInfo]->web_state);
   EXPECT_EQ(kTestFormName, [observer_ submitDocumentInfo]->form_name);
@@ skipping 70 matching lines @@
 // Tests |webState:webStateDidStartLoading:| forwarding.
 TEST_F(WebStateObserverBridgeTest, DidStartLoading) {
   ASSERT_FALSE([observer_ startLoadingInfo]);
 
   bridge_->DidStartLoading();
   ASSERT_TRUE([observer_ startLoadingInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ startLoadingInfo]->web_state);
 }
 
 }  // namespace web