Remove deprecated extension notifications from state_store.*.

chrome/browser/extensions/state_store.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_STATE_STORE_H_
 #define CHROME_BROWSER_EXTENSIONS_STATE_STORE_H_
 
 #include <set>
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/memory/weak_ptr.h"
+#include "base/scoped_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/extension_registry_observer.h"
 #include "extensions/browser/value_store/value_store_frontend.h"
 
 class Profile;
 
 namespace extensions {
 
+class ExtensionRegistry;
+
 // A storage area for per-extension state that needs to be persisted to disk.
 class StateStore
     : public base::SupportsWeakPtr<StateStore>,
+      public ExtensionRegistryObserver,
       public content::NotificationObserver {
  public:
   typedef ValueStoreFrontend::ReadCallback ReadCallback;
 
   // If |deferred_load| is true, we won't load the database until the first
   // page has been loaded.
   StateStore(Profile* profile, const base::FilePath& db_path,
              bool deferred_load);
   // This variant is useful for testing (using a mock ValueStore).
   StateStore(Profile* profile, scoped_ptr<ValueStore> store);
@@ skipping 27 matching lines @@
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   void Init();
 
   // Removes all keys registered for the given extension.
   void RemoveKeysForExtension(const std::string& extension_id);
 
+  // ExtensionRegistryObserver implementation.
+  virtual void OnExtensionUninstalled(content::BrowserContext* browser_context,
+                                      const Extension* extension) OVERRIDE;
+

[limasdf, 2014/06/08 07:01:35]

remove this empty line

+  virtual void OnExtensionWillBeInstalled(
+      content::BrowserContext* browser_context,
+      const Extension* extension,
+      bool is_update,
+      bool from_ephemeral,
+      const std::string& old_name) OVERRIDE;
+
   // Path to our database, on disk. Empty during testing.
   base::FilePath db_path_;
 
   // The store that holds our key/values.
   ValueStoreFrontend store_;
 
   // List of all known keys. They will be cleared for each extension when it is
   // (un)installed.
   std::set<std::string> registered_keys_;
 
   // Keeps track of tasks we have delayed while starting up.
   scoped_ptr<DelayedTaskQueue> task_queue_;
 
   content::NotificationRegistrar registrar_;
+
+  ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
+      extension_registry_observer_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_STATE_STORE_H_