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

content/browser/frame_host/navigation_request.cc

Index: content/browser/frame_host/navigation_request.cc
diff --git a/content/browser/frame_host/navigation_request.cc b/content/browser/frame_host/navigation_request.cc
index df0f7a1e7b7128331b36debd5882b31dd4f37bd5..55f936ab92e8c0dc04a1e92faebbcf33c3324d84 100644
--- a/content/browser/frame_host/navigation_request.cc
+++ b/content/browser/frame_host/navigation_request.cc
@@ -227,8 +227,13 @@ void NavigationRequest::BeginNavigation() {
 }
 
 void NavigationRequest::CreateNavigationHandle() {
-  navigation_handle_ = NavigationHandleImpl::Create(
-      common_params_.url, frame_tree_node_, common_params_.navigation_start);
+  // TODO(nasko): Update the NavigationHandle creation to ensure that the
+  // proper values are specified for is_synchronous and is_srcdoc.
+  navigation_handle_ =
+      NavigationHandleImpl::Create(common_params_.url, frame_tree_node_,
+                                   false,  // is_synchronous
+                                   false,  // is_srcdoc
+                                   common_params_.navigation_start);
 }
 
 void NavigationRequest::TransferNavigationHandleOwnership(