Only block http or https doc.written scripts.

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
index 57f5d624403456f6e2518b595e38f9a6ed975c5a..241838f9fa5698c842c47364398d367c0baedb0b 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
@@ -95,6 +95,9 @@ bool shouldDisallowFetchForMainFrameScript(const ResourceRequest& request, Fetch
     if (defer != FetchRequest::NoDefer)
         return false;
 
+    if (!request.url().protocolIsInHTTPFamily())
+        return false;
+
     // Avoid blocking same origin scripts, as they may be used to render main
     // page content, whereas cross-origin scripts inserted via document.write
     // are likely to be third party content.