Added web::NavigationContext::GetPageTransition.

ios/web/web_state/navigation_context_impl.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.
 
 #include "ios/web/web_state/navigation_context_impl.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/memory/ptr_util.h"
 #include "net/http/http_response_headers.h"
 
 namespace web {
 
 // static
 std::unique_ptr<NavigationContextImpl>
-NavigationContextImpl::CreateNavigationContext(WebState* web_state,
-                                               const GURL& url) {
+NavigationContextImpl::CreateNavigationContext(
+    WebState* web_state,
+    const GURL& url,
+    ui::PageTransition page_transition) {
   std::unique_ptr<NavigationContextImpl> result(new NavigationContextImpl(
-      web_state, url, false /* is_same_document */, false /* is_error_page */,
-      nullptr /* response_headers */));
+      web_state, url, page_transition, false /* is_same_document */,
+      false /* is_error_page */, nullptr /* response_headers */));
   return result;
 }
 
 #ifndef NDEBUG
 NSString* NavigationContextImpl::GetDescription() const {
   return [NSString stringWithFormat:@"web::WebState: %ld, url: %s, "
                                      "is_same_document: %@, is_error_page_: %@",
                                     reinterpret_cast<long>(web_state_),
                                     url_.spec().c_str(),
                                     is_same_document_ ? @"true" : @"false",
                                     is_error_page_ ? @"true" : @"false"];
 }
 #endif  // NDEBUG
 
 WebState* NavigationContextImpl::GetWebState() {
   return web_state_;
 }
 
 const GURL& NavigationContextImpl::GetUrl() const {
   return url_;
 }
 
+ui::PageTransition NavigationContextImpl::GetPageTransition() const {
+  return page_transition_;
+}
+
 bool NavigationContextImpl::IsSameDocument() const {
   return is_same_document_;
 }
 
 bool NavigationContextImpl::IsErrorPage() const {
   return is_error_page_;
 }
 
 net::HttpResponseHeaders* NavigationContextImpl::GetResponseHeaders() const {
   return response_headers_.get();
@@ skipping 16 matching lines @@
   return navigation_item_unique_id_;
 }
 
 void NavigationContextImpl::SetNavigationItemUniqueID(int unique_id) {
   navigation_item_unique_id_ = unique_id;
 }
 
 NavigationContextImpl::NavigationContextImpl(
     WebState* web_state,
     const GURL& url,
+    ui::PageTransition page_transition,
     bool is_same_document,
     bool is_error_page,
     const scoped_refptr<net::HttpResponseHeaders>& response_headers)
     : web_state_(web_state),
       url_(url),
+      page_transition_(page_transition),
       is_same_document_(is_same_document),
       is_error_page_(is_error_page),
       response_headers_(response_headers) {}
 
 NavigationContextImpl::~NavigationContextImpl() = default;
 
 }  // namespace web