[ServiceWorker] Introduce skip_service_worker flag and remove LOAD_BYPASS_CACHE check.

content/child/request_extra_data.h

Index: content/child/request_extra_data.h
diff --git a/content/child/request_extra_data.h b/content/child/request_extra_data.h
index bae5512c173c75922789db3a697c2921028e0355..81e15dae605dcce82654200e81ee36268e463930 100644
--- a/content/child/request_extra_data.h
+++ b/content/child/request_extra_data.h
@@ -85,6 +85,10 @@ class CONTENT_EXPORT RequestExtraData
       int service_worker_provider_id) {
     service_worker_provider_id_ = service_worker_provider_id;
   }
+  bool skip_service_worker() const { return skip_service_worker_; }
+  void set_skip_service_worker(bool skip_service_worker) {
+    skip_service_worker_ = skip_service_worker;
+  }
   // |custom_user_agent| is used to communicate an overriding custom user agent
   // to |RenderViewImpl::willSendRequest()|; set to a null string to indicate no
   // override and an empty string to indicate that there should be no user
@@ -115,6 +119,7 @@ class CONTENT_EXPORT RequestExtraData
   int transferred_request_child_id_;
   int transferred_request_request_id_;
   int service_worker_provider_id_;
+  bool skip_service_worker_;
   blink::WebString custom_user_agent_;
   blink::WebString requested_with_;