ServiceWorker: Make '.ready' return a promise to be resolved with ServiceWorkerRegistration (1/3)

public/platform/WebServiceWorkerProviderClient.h

Index: public/platform/WebServiceWorkerProviderClient.h
diff --git a/public/platform/WebServiceWorkerProviderClient.h b/public/platform/WebServiceWorkerProviderClient.h
index 43eea2a9504279332a8dd3e48cc2ff70d4dd2ce5..e895692968dcfc824562759cdff79b50b4889b8c 100644
--- a/public/platform/WebServiceWorkerProviderClient.h
+++ b/public/platform/WebServiceWorkerProviderClient.h
@@ -36,6 +36,7 @@
 namespace blink {
 
 class WebServiceWorker;
+class WebServiceWorkerRegistration;
 class WebString;
 
 // This class is the interface for embedders to talk to
@@ -44,14 +45,17 @@ class WebServiceWorkerProviderClient {
 public:
     virtual ~WebServiceWorkerProviderClient() { }
 
-    virtual void setActive(WebServiceWorker*) = 0;
-    virtual void setController(WebServiceWorker*) = 0;
+    // FIXME: Remove these unnecessary interfaces (http://crbug.com/404982).
     virtual void setInstalling(WebServiceWorker*) = 0;
     virtual void setWaiting(WebServiceWorker*) = 0;
+    virtual void setActive(WebServiceWorker*) = 0;
+
+    virtual void setController(WebServiceWorker*) = 0;
+    virtual void setReady(WebServiceWorkerRegistration*) = 0;
 
     virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) = 0;
 };
 
-};
+} // namespace blink
 
 #endif // WebServiceWorkerProviderClient_h