Add a resource throttle for sub frame unless scheme of uri is acceptable

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index 0863976386bf431323f5792f059b139d5fbcec38..a7969e628bb6ebb924a9c6de3ebf4230aa42ffd9 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -85,6 +85,7 @@
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/intercept_download_resource_throttle.h"
+#include "chrome/browser/android/url_utilities.h"
 #include "chrome/browser/ui/android/infobars/auto_login_prompter.h"
 #include "components/navigation_interception/intercept_navigation_delegate.h"
 #endif
@@ -323,7 +324,15 @@ void ChromeResourceDispatcherHostDelegate::RequestBeginning(
 #if defined(OS_ANDROID)
   // TODO(davidben): This is insufficient to integrate with prerender properly.
   // https://crbug.com/370595
-  if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME && !is_prerendering) {
+  //
+  // https://crbug.com/410524: If the requested url can't be handled by chrome
+  // showing a dedicated app or an intent picker even for sub frame is better
+  // than showing an error page. In this case, chrome won't be listed in an
+  // intent picker as an option.
+  if (!is_prerendering && (resource_type == content::RESOURCE_TYPE_MAIN_FRAME ||
+                           (resource_type == content::RESOURCE_TYPE_SUB_FRAME &&
+                            !IsAcceptedScheme(request->url().spec()) &&
+                            !IsDownloadableScheme(request->url().spec())))) {
     throttles->push_back(
         InterceptNavigationDelegate::CreateThrottleFor(request));
   }