Implement headers attributes in ForeignFetchResponse

third_party/WebKit/public/platform/WebURLResponse.h

Index: third_party/WebKit/public/platform/WebURLResponse.h
diff --git a/third_party/WebKit/public/platform/WebURLResponse.h b/third_party/WebKit/public/platform/WebURLResponse.h
index f38e133e6cc878324f742818419abb96d2fbbfb6..8eeee1055ef726c37a05b5897e1f75586a0f9dec 100644
--- a/third_party/WebKit/public/platform/WebURLResponse.h
+++ b/third_party/WebKit/public/platform/WebURLResponse.h
@@ -35,6 +35,7 @@
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebPrivateOwnPtr.h"
 #include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerResponseType.h"
 
 namespace blink {
@@ -232,6 +233,11 @@ public:
     BLINK_PLATFORM_EXPORT WebString cacheStorageCacheName() const;
     BLINK_PLATFORM_EXPORT void setCacheStorageCacheName(const WebString&);
 
+    // The headers that should be exposed according to CORS. Only guaranteed
+    // to be set if the response was fetched by a ServiceWorker.
+    BLINK_PLATFORM_EXPORT WebVector<WebString> corsExposedHeaderNames() const;
+    BLINK_PLATFORM_EXPORT void setCorsExposedHeaderNames(const WebVector<WebString>&);
+
     // This indicates the location of a downloaded response if the
     // WebURLRequest had the downloadToFile flag set to true. This file path
     // remains valid for the lifetime of the WebURLLoader used to create it.