Added web::NavigationContext::GetPageTransition.

ios/web/web_state/navigation_context_impl.mm

Index: ios/web/web_state/navigation_context_impl.mm
diff --git a/ios/web/web_state/navigation_context_impl.mm b/ios/web/web_state/navigation_context_impl.mm
index 3262e0bd2002337fa6b0f319170dac233228604c..64142cbef968f52ff5272ead360380f55bda1a53 100644
--- a/ios/web/web_state/navigation_context_impl.mm
+++ b/ios/web/web_state/navigation_context_impl.mm
@@ -13,11 +13,13 @@ 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;
 }
 
@@ -40,6 +42,10 @@ const GURL& NavigationContextImpl::GetUrl() const {
   return url_;
 }
 
+ui::PageTransition NavigationContextImpl::GetPageTransition() const {
+  return page_transition_;
+}
+
 bool NavigationContextImpl::IsSameDocument() const {
   return is_same_document_;
 }
@@ -76,11 +82,13 @@ void NavigationContextImpl::SetNavigationItemUniqueID(int 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) {}