[WIP] Speculatively launch Service Workers on mouse/touch events.

content/browser/service_worker/service_worker_context_wrapper.h

Index: content/browser/service_worker/service_worker_context_wrapper.h
diff --git a/content/browser/service_worker/service_worker_context_wrapper.h b/content/browser/service_worker/service_worker_context_wrapper.h
index 0285802834194f66fd3c299e56f1e4819e4305c9..9c44d5f17019709a74491c5a51cf261490df9768 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.h
+++ b/content/browser/service_worker/service_worker_context_wrapper.h
@@ -25,6 +25,10 @@ class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }
 
+namespace blink {
+enum class WebNavigationHintType;
+}
+
 namespace storage {
 class QuotaManagerProxy;
 class SpecialStoragePolicy;
@@ -110,6 +114,11 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
       const CheckHasServiceWorkerCallback& callback) override;
   void StopAllServiceWorkersForOrigin(const GURL& origin) override;
   void ClearAllServiceWorkersForTest(const base::Closure& callback) override;
+  void StartServiceWorkerForNavigationHint(
+      const GURL& document_url,
+      blink::WebNavigationHintType type,
+      int render_process_id,
+      const ResultCallback& callback) override;
 
   // These methods must only be called from the IO thread.
   ServiceWorkerRegistration* GetLiveRegistration(int64_t registration_id);
@@ -231,6 +240,24 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
       ServiceWorkerStatusCode status,
       const scoped_refptr<content::ServiceWorkerRegistration>& registration);
 
+  void DidCheckRenderProcessForNavigationHint(const GURL& document_url,
+                                              blink::WebNavigationHintType type,
+                                              int render_process_id,
+                                              const ResultCallback& callback,
+                                              bool result);
+
+  void DidFindRegistrationForNavigationHint(
+      blink::WebNavigationHintType type,
+      int render_process_id,
+      const ResultCallback& callback,
+      ServiceWorkerStatusCode status,
+      const scoped_refptr<ServiceWorkerRegistration>& registration);
+
+  void DidStartServiceWorkerForNavigationHint(const GURL& pattern,
+                                              int render_process_id,
+                                              const ResultCallback& callback,
+                                              ServiceWorkerStatusCode code);
+
   // The core context is only for use on the IO thread.
   // Can be null before/during init, during/after shutdown, and after
   // DeleteAndStartOver fails.