[ServiceWorker] Add was_fallback_required flag to ResourceResponseInfo. [1/2 blink]

public/platform/WebURLResponse.h

Index: public/platform/WebURLResponse.h
diff --git a/public/platform/WebURLResponse.h b/public/platform/WebURLResponse.h
index ef6c11367e3797c28226fd370d8f4f3edb1d4d0c..93542436a7d384bcdb345fea855d8f660a115e85 100644
--- a/public/platform/WebURLResponse.h
+++ b/public/platform/WebURLResponse.h
@@ -167,6 +167,11 @@ public:
     BLINK_PLATFORM_EXPORT bool wasFetchedViaServiceWorker() const;
     BLINK_PLATFORM_EXPORT void setWasFetchedViaServiceWorker(bool);
 
+    // Flag whether the fallback request with skip service worker flag was
+    // required.
+    BLINK_PLATFORM_EXPORT bool wasFallbackRequiredByServiceWorker() const;
+    BLINK_PLATFORM_EXPORT void setWasFallbackRequiredByServiceWorker(bool);
+
     // Flag whether this request is part of a multipart response.
     BLINK_PLATFORM_EXPORT bool isMultipartPayload() const;
     BLINK_PLATFORM_EXPORT void setIsMultipartPayload(bool);