Persist browseraction properties across restarts

chrome/browser/extensions/state_store.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/state_store.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 21 matching lines @@
   DelayedTaskQueue() : ready_(false) {}
   ~DelayedTaskQueue() {}
 
   // Queues up a task for invoking once we're ready. Invokes immediately if
   // we're already ready.
   void InvokeWhenReady(base::Closure task);
 
   // Marks us ready, and invokes all pending tasks.
   void SetReady();
 
+  // Return whether or not the DelayedTaskQueue is |ready_|.
+  bool ready() const { return ready_; }
+
  private:
   bool ready_;
   std::vector<base::Closure> pending_tasks_;
 };
 
 void StateStore::DelayedTaskQueue::InvokeWhenReady(base::Closure task) {
   if (ready_) {
     task.Run();
   } else {
     pending_tasks_.push_back(task);
@@ skipping 65 matching lines @@
                  GetFullKey(extension_id, key), base::Passed(&value)));
 }
 
 void StateStore::RemoveExtensionValue(const std::string& extension_id,
                                       const std::string& key) {
   task_queue_->InvokeWhenReady(
       base::Bind(&ValueStoreFrontend::Remove, base::Unretained(&store_),
                  GetFullKey(extension_id, key)));
 }
 
+bool StateStore::IsInitialized() const { return task_queue_->ready(); }
+
 void StateStore::Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_EXTENSION_INSTALLED:
       RemoveKeysForExtension(
           content::Details<const InstalledExtensionInfo>(details)->extension->
               id());
       break;
     case chrome::NOTIFICATION_EXTENSION_UNINSTALLED:
@@ skipping 25 matching lines @@
 void StateStore::RemoveKeysForExtension(const std::string& extension_id) {
   for (std::set<std::string>::iterator key = registered_keys_.begin();
        key != registered_keys_.end(); ++key) {
     task_queue_->InvokeWhenReady(
         base::Bind(&ValueStoreFrontend::Remove, base::Unretained(&store_),
                    GetFullKey(extension_id, *key)));
   }
 }
 
 }  // namespace extensions