Add a NavigationThrottle to the public content/ interface

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 a25fc594cd3861f74bc23bc863bab09ffe8255a5..a67ecbdf64aed2245a9c17b51b8fc3b0c57a38fc 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -22,6 +22,7 @@
 #include "content/browser/frame_host/frame_mojo_shell.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
+#include "content/browser/frame_host/navigation_handle_factory.h"
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/browser/frame_host/navigation_request.h"
 #include "content/browser/frame_host/navigator.h"
@@ -901,8 +902,10 @@ 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_->IsMainFrame(),
+    GURL filtered_url = validated_params.url;
+    GetProcess()->FilterURL(false, &filtered_url);
+    navigation_handle_ = NavigationHandleFactory::Create(
+        validated_params.url, filtered_url, frame_tree_node_->IsMainFrame(),
         frame_tree_node_->navigator()->GetDelegate());
   }