More scaffolding, add class ServiceWorkerProviderHost.

content/child/service_worker/web_service_worker_provider_impl.h

Index: content/child/service_worker/web_service_worker_provider_impl.h
diff --git a/content/child/service_worker/web_service_worker_provider_impl.h b/content/child/service_worker/web_service_worker_provider_impl.h
index 29a379fad5cce8df814a101313442b2a08dc503a..45fe4aca96a1a216eaa444c6b8d0d90d13839cac 100644
--- a/content/child/service_worker/web_service_worker_provider_impl.h
+++ b/content/child/service_worker/web_service_worker_provider_impl.h
@@ -7,35 +7,28 @@
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerProvider.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerProviderClient.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
-#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 
 namespace blink {
-class WebString;
 class WebURL;
 }
 
-namespace IPC {
-class Sender;
-}
-
 namespace content {
 
 class ThreadSafeSender;
-class ServiceWorkerMessageFilter;
 
 class WebServiceWorkerProviderImpl
     : NON_EXPORTED_BASE(public blink::WebServiceWorkerProvider) {
  public:
   WebServiceWorkerProviderImpl(
       ThreadSafeSender* thread_safe_sender,
-      ServiceWorkerMessageFilter* message_filter,
-      const blink::WebURL& origin,
       scoped_ptr<blink::WebServiceWorkerProviderClient> client);
   virtual ~WebServiceWorkerProviderImpl();
 
+  int provider_id() const { return provider_id_; }
+
   virtual void registerServiceWorker(const blink::WebURL& pattern,
                                      const blink::WebURL& script_url,
                                      WebServiceWorkerCallbacks*);
@@ -44,6 +37,7 @@ class WebServiceWorkerProviderImpl
                                        WebServiceWorkerCallbacks*);
 
  private:
+  const int provider_id_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_ptr<blink::WebServiceWorkerProviderClient> client_;