Add a NavigationThrottle to the public content/ interface

android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc

Index: android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc
diff --git a/android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc b/android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc
index 1d9e58545e05da1949e2756858dfc1101fc8536c..ed7c52bf8e850de9ce4a4d3cf04db26c7ce3bcb4 100644
--- a/android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc
+++ b/android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc
@@ -221,14 +221,6 @@ void AwResourceDispatcherHostDelegate::RequestBeginning(
   throttles->push_back(new IoThreadClientThrottle(
       request_info->GetChildID(), request_info->GetRenderFrameID(), request));
 
-  if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME ||
-      (resource_type == content::RESOURCE_TYPE_SUB_FRAME &&
-       !request->url().SchemeIs(url::kHttpScheme) &&
-       !request->url().SchemeIs(url::kHttpsScheme) &&
-       !request->url().SchemeIs(url::kAboutScheme))) {
-    throttles->push_back(InterceptNavigationDelegate::CreateThrottleFor(
-        request));
-  }
   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME)
     InterceptNavigationDelegate::UpdateUserGestureCarryoverInfo(request);
 }