Use DidFinishNavigation callback in LanguageDetectionController.

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 72 matching lines @@
 
 // Tests |webState:webStateDidDismissInterstitial:| forwarding.
 TEST_F(WebStateObserverBridgeTest, InterstitialDismissed) {
   ASSERT_FALSE([observer_ dismissInterstitialInfo]);
 
   bridge_->InterstitialDismissed();
   ASSERT_TRUE([observer_ dismissInterstitialInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ dismissInterstitialInfo]->web_state);
 }
 
-// Tests |webState:webStateDidChangeURLHash:| forwarding.
-TEST_F(WebStateObserverBridgeTest, UrlHashChanged) {
-  ASSERT_FALSE([observer_ changeUrlHashInfo]);
-
-  bridge_->UrlHashChanged();
-  ASSERT_TRUE([observer_ changeUrlHashInfo]);
-  EXPECT_EQ(&test_web_state_, [observer_ changeUrlHashInfo]->web_state);
-}
-
-// Tests |webState:webStateDidChangeHistoryState:| forwarding.
-TEST_F(WebStateObserverBridgeTest, HistoryStateChanged) {
-  ASSERT_FALSE([observer_ changeHistoryStateInfo]);
-
-  bridge_->HistoryStateChanged();
-  ASSERT_TRUE([observer_ changeHistoryStateInfo]);
-  EXPECT_EQ(&test_web_state_, [observer_ changeHistoryStateInfo]->web_state);
-}
-
 // Tests |webState:didChangeLoadingProgress:| forwarding.
 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);
 }
@@ skipping 81 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