Cleaned up unused methods from WebStateImpl and NavigationContextImpl.

ios/web/web_state/ui/crw_wk_navigation_states_unittest.mm

 // Copyright 2016 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/web_state/ui/crw_wk_navigation_states.h"
 
 #import <WebKit/WebKit.h>
 
 #import "base/mac/scoped_nsobject.h"
 #include "ios/web/web_state/navigation_context_impl.h"
@@ skipping 51 matching lines @@
   EXPECT_EQ(navigation2_, [states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::REQUESTED, [states_ lastAddedNavigationState]);
 
   // navigation_2 is still the latest.
   [states_ setState:WKNavigationState::STARTED forNavigation:navigation2_];
   EXPECT_EQ(navigation2_, [states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::STARTED, [states_ lastAddedNavigationState]);
 
   // navigation_3 is added later and hence the latest.
   std::unique_ptr<web::NavigationContextImpl> context =
-      NavigationContextImpl::CreateSameDocumentNavigationContext(
-          nullptr /*web_state*/, GURL(kTestUrl1));
+      NavigationContextImpl::CreateNavigationContext(nullptr /*web_state*/,
+                                                     GURL(kTestUrl1));
   [states_ setContext:std::move(context) forNavigation:navigation3_];
   EXPECT_EQ(navigation3_, [states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::NONE, [states_ lastAddedNavigationState]);
 }
 
-// Tests |setContext:forNavigation:| and |contextForNavigaiton:| methods.
+// Tests |setContext:forNavigation:| and |contextForNavigation:| methods.
 TEST_F(CRWWKNavigationStatesTest, Context) {
   EXPECT_FALSE([states_ contextForNavigation:navigation1_]);
   EXPECT_FALSE([states_ contextForNavigation:navigation2_]);
   EXPECT_FALSE([states_ contextForNavigation:navigation3_]);
 
   // Add first context.
   std::unique_ptr<web::NavigationContextImpl> context1 =
-      NavigationContextImpl::CreateSameDocumentNavigationContext(
-          nullptr /*web_state*/, GURL(kTestUrl1));
+      NavigationContextImpl::CreateNavigationContext(nullptr /*web_state*/,
+                                                     GURL(kTestUrl1));
+  context1->SetIsSameDocument(true);
   [states_ setContext:std::move(context1) forNavigation:navigation1_];
   EXPECT_FALSE([states_ contextForNavigation:navigation2_]);
   EXPECT_FALSE([states_ contextForNavigation:navigation3_]);
   ASSERT_TRUE([states_ contextForNavigation:navigation1_]);
   EXPECT_EQ(GURL(kTestUrl1),
             [states_ contextForNavigation:navigation1_]->GetUrl());
   EXPECT_TRUE([states_ contextForNavigation:navigation1_]->IsSameDocument());
   EXPECT_FALSE([states_ contextForNavigation:navigation1_]->IsErrorPage());
 
   // Replace existing context.
   std::unique_ptr<web::NavigationContextImpl> context2 =
-      NavigationContextImpl::CreateErrorPageNavigationContext(
-          nullptr /*web_state*/, GURL(kTestUrl2),
-          nullptr /* response_headers */);
+      NavigationContextImpl::CreateNavigationContext(nullptr /*web_state*/,
+                                                     GURL(kTestUrl2));
+  context2->SetIsErrorPage(true);
   [states_ setContext:std::move(context2) forNavigation:navigation1_];
   EXPECT_FALSE([states_ contextForNavigation:navigation2_]);
   EXPECT_FALSE([states_ contextForNavigation:navigation3_]);
   ASSERT_TRUE([states_ contextForNavigation:navigation1_]);
   EXPECT_EQ(GURL(kTestUrl2),
             [states_ contextForNavigation:navigation1_]->GetUrl());
   EXPECT_FALSE([states_ contextForNavigation:navigation1_]->IsSameDocument());
   EXPECT_TRUE([states_ contextForNavigation:navigation1_]->IsErrorPage());
 }
 
 // Tests null WKNavigation object.
 TEST_F(CRWWKNavigationStatesTest, NullNavigation) {
   // navigation_1 is the only navigation and it is the latest.
   [states_ setState:WKNavigationState::REQUESTED forNavigation:navigation1_];
   ASSERT_EQ(navigation1_, [states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::REQUESTED, [states_ lastAddedNavigationState]);
 
   // null navigation is added later and hence the latest.
   [states_ setState:WKNavigationState::STARTED forNavigation:nil];
   EXPECT_FALSE([states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::STARTED, [states_ lastAddedNavigationState]);
 
   // navigation_1 is the latest again after removing null navigation.
   [states_ removeNavigation:nil];
   ASSERT_EQ(navigation1_, [states_ lastAddedNavigation]);
   EXPECT_EQ(WKNavigationState::REQUESTED, [states_ lastAddedNavigationState]);
 }
 
 }  // namespace web