ServiceWorker: Make "ready" fetches registration from browser process(2/3).

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 386bee2300e5d4aded72e9dd32c541e2d1c0ec04..4d120140a258bcf71d3cf2a59e6c4be07b1de093 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -47,6 +47,8 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
  public:
   using GetClientInfoCallback =
       base::Callback<void(const ServiceWorkerClientInfo&)>;
+  using GetRegistrationForReadyCallback =
+      base::Callback<void(ServiceWorkerRegistration* reigstration)>;
 
   // If |render_frame_id| is MSG_ROUTING_NONE, this provider host works for the
   // worker context.
@@ -155,6 +157,10 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   // |registration| claims the document to be controlled.
   void ClaimedByRegistration(ServiceWorkerRegistration* registration);
 
+  // Called by dispatcher host to get the registration for the "ready" property.
+  // http://www.w3.org/TR/service-workers/#navigator-service-worker-ready.

[falken, 2015/02/16 09:18:29]

nit: We always link to the latest editor's draft:
https://slightlyoff.github.io/ServiceWorker/spec/service_worker/

"TR" links can get outdated.

[xiang, 2015/02/26 06:52:14]

Done.

+  void GetRegistrationForReady(const GetRegistrationForReadyCallback& callback);
+
   // Methods to support cross site navigations.
   void PrepareForCrossSiteTransfer();
   void CompleteCrossSiteTransfer(
@@ -183,6 +189,13 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   // Sets the worker thread id and flushes queued events.
   void SetReadyToSendMessagesToWorker(int render_thread_id);
 
+  void AddMatchingRegistration(ServiceWorkerRegistration* registration);
+  void RemoveMatchingRegistration(ServiceWorkerRegistration* registration);
+
+  // An optimized implementation of [[Match Service Worker Registration]]
+  // for current document.
+  ServiceWorkerRegistration* MatchRegistration() const;
+
  private:
   friend class ServiceWorkerProviderHostTest;
   friend class ServiceWorkerWriteToCacheJobTest;
@@ -192,7 +205,13 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
                            UpdateAfter24Hours);
 
   // ServiceWorkerRegistration::Listener overrides.
+  void OnVersionAttributesChanged(
+      ServiceWorkerRegistration* registration,
+      ChangedVersionAttributesMask changed_mask,
+      const ServiceWorkerRegistrationInfo& info) override;
   void OnRegistrationFailed(ServiceWorkerRegistration* registration) override;
+  void OnRegistrationFinishedUninstalling(
+      ServiceWorkerRegistration* registration) override;
   void OnSkippedWaiting(ServiceWorkerRegistration* registration) override;
 
   // Sets the controller version field to |version| or if |version| is NULL,
@@ -205,6 +224,8 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   void IncreaseProcessReference(const GURL& pattern);
   void DecreaseProcessReference(const GURL& pattern);
 
+  void ReturnRegistrationForReadyIfNeeded();
+
   bool IsReadyToSendMessages() const;
   void Send(IPC::Message* message) const;
 
@@ -218,6 +239,14 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   std::vector<GURL> associated_patterns_;
   scoped_refptr<ServiceWorkerRegistration> associated_registration_;
 
+  // Keyed by registration scope URL length.
+  typedef std::map<size_t, scoped_refptr<ServiceWorkerRegistration>>
+      ServiceWorkerRegistrationMap;
+  // Contains all living registrations which has pattern this document's
+  // URL starts with.
+  ServiceWorkerRegistrationMap matching_registrations_;
+
+  GetRegistrationForReadyCallback get_ready_callback_;
   scoped_refptr<ServiceWorkerVersion> controlling_version_;
   scoped_refptr<ServiceWorkerVersion> running_hosted_version_;
   base::WeakPtr<ServiceWorkerContextCore> context_;