Add methods to NavigationHandle to allow refactoring webNavigation to use it.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index c231724a78d2e4f3352f2f9342a67ed34a5a6370..d293131c59f4ee4f3a43b86f6e223fd9147e8bcf 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -1012,8 +1012,11 @@ void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   // DidCommitProvisionalLoad IPC without a prior DidStartProvisionalLoad
   // message.
   if (!navigation_handle_) {
-    navigation_handle_ = NavigationHandleImpl::Create(
-        validated_params.url, frame_tree_node_, base::TimeTicks::Now());
+    navigation_handle_ =
+        NavigationHandleImpl::Create(validated_params.url, frame_tree_node_,
+                                     true,   // is_synchronous
+                                     false,  // is_srcdoc
+                                     base::TimeTicks::Now());
   }
 
   accessibility_reset_count_ = 0;