Identify service worker version at main resource load time (BlinkSide)

public/web/WebServiceWorkerNetworkProvider.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebWaitableEvent_h
-#define WebWaitableEvent_h
-
-#include "WebCommon.h"
+#ifndef WebServiceWorkerNetworkProvider_h
+#define WebServiceWorkerNetworkProvider_h
 
 namespace blink {
 
-// Provides a thread synchronization that can be used to allow one thread to
-// wait until another thread to finish some work.
-class WebWaitableEvent {
+class WebDataSource;
+class WebURLRequest;
+
+// This interface is implemented by the client and is only called on the main thread.
+class WebServiceWorkerNetworkProvider {
 public:
-    virtual ~WebWaitableEvent() { }
+    virtual ~WebServiceWorkerNetworkProvider() { }
 
-    // Waits indefinitely for the event to be signaled.
-    virtual void wait() = 0;
-
-    // Puts the event in the signaled state. Causing any thread blocked on Wait
-    // to be woken up. The event state is reset to non-signaled after
-    // a waiting thread has been released.
-    virtual void signal() = 0;
+    // A request is about to be sent out, and the client may modify it. Request
+    // is writable, and changes to the URL, for example, will change the request
+    // made.
+    virtual void willSendRequest(blink::WebDataSource*, blink::WebURLRequest&) { }
 };
 
 } // namespace blink
 
-#endif // WebWaitableEvent_h
+#endif // WebServiceWorkerNetworkProvider_h