Service Worker: Expose Get/Store/ClearUserData to content layer.

content/browser/service_worker/service_worker_context_wrapper.cc

Index: content/browser/service_worker/service_worker_context_wrapper.cc
diff --git a/content/browser/service_worker/service_worker_context_wrapper.cc b/content/browser/service_worker/service_worker_context_wrapper.cc
index db0b4e9fffe6c94a3dcb2da3194f3e4629a666a8..4b5c4b813a6b1a9645ca3b123337875c3f7d6141 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.cc
+++ b/content/browser/service_worker/service_worker_context_wrapper.cc
@@ -22,6 +22,7 @@
 #include "content/browser/service_worker/service_worker_quota_client.h"
 #include "content/browser/service_worker/service_worker_request_handler.h"
 #include "content/browser/storage_partition_impl.h"
+#include "content/common/service_worker/service_worker_status_code.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/service_worker_context.h"
@@ -218,6 +219,53 @@ void ServiceWorkerContextWrapper::UnregisterServiceWorker(
       base::Bind(&FinishUnregistrationOnIO, continuation));
 }
 
+static void CallGetUserDataCallback(
+    const ServiceWorkerContext::GetUserDataCallback& callback,
+    const std::string& data,
+    ServiceWorkerStatusCode service_worker_status) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  bool success = service_worker_status == SERVICE_WORKER_OK;
+  bool not_found = service_worker_status == SERVICE_WORKER_ERROR_NOT_FOUND;
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(callback, data, success, not_found));

[nhiroki, 2015/01/26 11:52:30]

You might want to directly call the callback because we're already on the IO
thread:

  callback.Run(data, success, not_found);

[johnme, 2015/01/26 11:58:54]

Done (good point!).

+}
+
+static void CallResultCallback(
+    const ServiceWorkerContext::ResultCallback& callback,
+    ServiceWorkerStatusCode service_worker_status) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  bool success = service_worker_status == SERVICE_WORKER_OK;
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(callback, success));

[nhiroki, 2015/01/26 11:52:30]

ditto.

[johnme, 2015/01/26 11:58:54]

Done.

+}
+
+void ServiceWorkerContextWrapper::GetUserData(
+    int64 registration_id, const std::string& key,
+    const GetUserDataCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  context()->storage()->GetUserData(registration_id, key,
+                                    base::Bind(&CallGetUserDataCallback,
+                                               callback));
+}
+
+void ServiceWorkerContextWrapper::StoreUserData(
+    int64 registration_id, const GURL& origin, const std::string& key,
+    const std::string& data, const ResultCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  context()->storage()->StoreUserData(registration_id, origin, key, data,
+                                      base::Bind(&CallResultCallback,
+                                                 callback));
+}
+
+void ServiceWorkerContextWrapper::ClearUserData(
+    int64 registration_id, const std::string& key,
+    const ResultCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  context()->storage()->ClearUserData(registration_id, key,
+                                      base::Bind(&CallResultCallback,
+                                                 callback));
+}
+
 static void DidFindRegistrationForDocument(
     const net::CompletionCallback& callback,
     ServiceWorkerStatusCode status,