Implement headers attributes in ForeignFetchResponse

third_party/WebKit/Source/platform/network/ResourceResponse.h

Index: third_party/WebKit/Source/platform/network/ResourceResponse.h
diff --git a/third_party/WebKit/Source/platform/network/ResourceResponse.h b/third_party/WebKit/Source/platform/network/ResourceResponse.h
index cd3cf5f766d6cfcb90dff38ff1c00e473eba185c..89d6480631a3725d55b76d2c3b2cf330b74e5aea 100644
--- a/third_party/WebKit/Source/platform/network/ResourceResponse.h
+++ b/third_party/WebKit/Source/platform/network/ResourceResponse.h
@@ -225,6 +225,12 @@ public:
     const String& cacheStorageCacheName() const { return m_cacheStorageCacheName; }
     void setCacheStorageCacheName(const String& cacheStorageCacheName) { m_cacheStorageCacheName = cacheStorageCacheName; }
 
+    const Vector<String>& corsExposedHeaderNames() const { return m_corsExposedHeaderNames; }
+    void setCorsExposedHeaderNames(const Vector<String>& headerNames)
+    {
+        m_corsExposedHeaderNames = headerNames;
+    }
+
     int64_t responseTime() const { return m_responseTime; }
     void setResponseTime(int64_t responseTime) { m_responseTime = responseTime; }
 
@@ -346,6 +352,10 @@ private:
     // the ServiceWorker. Null if the response isn't from the CacheStorage.
     String m_cacheStorageCacheName;
 
+    // The headers that should be exposed according to CORS. Only guaranteed
+    // to be set if the response was fetched by a ServiceWorker.
+    Vector<String> m_corsExposedHeaderNames;
+
     // The time at which the response headers were received.  For cached
     // responses, this time could be "far" in the past.
     int64_t m_responseTime;