[ServiceWorker] Add wasFetchedViaServiceWorker flag to WebURLResponse and ResourceResponse.

Source/platform/network/ResourceResponse.h

Index: Source/platform/network/ResourceResponse.h
diff --git a/Source/platform/network/ResourceResponse.h b/Source/platform/network/ResourceResponse.h
index c6ffd6295d620651941212f5b2a6dc8943b5b8e8..8eb3b6c799859777351395d18dcc45859c9592e9 100644
--- a/Source/platform/network/ResourceResponse.h
+++ b/Source/platform/network/ResourceResponse.h
@@ -159,6 +159,9 @@ public:
     bool wasFetchedViaProxy() const { return m_wasFetchedViaProxy; }
     void setWasFetchedViaProxy(bool value) { m_wasFetchedViaProxy = value; }
 
+    bool wasFetchedViaServiceWorker() const { return m_wasFetchedViaServiceWorker; }
+    void setWasFetchedViaServiceWorker(bool value) { m_wasFetchedViaServiceWorker = value; }
+
     bool isMultipartPayload() const { return m_isMultipartPayload; }
     void setIsMultipartPayload(bool value) { m_isMultipartPayload = value; }
 
@@ -251,6 +254,9 @@ private:
     // Was the resource fetched over an explicit proxy (HTTP, SOCKS, etc).
     bool m_wasFetchedViaProxy;
 
+    // Was the resource fetched over ServiceWorker.

[tyoshino (SeeGerritForStatus), 2014/07/07 06:41:19]

a ServiceWorker?

[horo, 2014/07/07 06:52:35]

Done.

+    bool m_wasFetchedViaServiceWorker;
+
     // The time at which the response headers were received.  For cached
     // responses, this time could be "far" in the past.
     double m_responseTime;
@@ -298,6 +304,7 @@ public:
     bool m_wasNpnNegotiated;
     bool m_wasAlternateProtocolAvailable;
     bool m_wasFetchedViaProxy;
+    bool m_wasFetchedViaServiceWorker;
     double m_responseTime;
     String m_remoteIPAddress;
     unsigned short m_remotePort;