Move parsing of NaCl modules out of Extension.

chrome/browser/extensions/plugin_manager.h

+// Copyright 2013 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_PLUGIN_MANAGER_H_
+#define CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_
+
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
+#include "chrome/common/extensions/manifest_handlers/nacl_modules_handler.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class GURL;
+class Profile;
+
+namespace extensions {
+
+class PluginManager : public ProfileKeyedAPI,
+                      public content::NotificationObserver {
+ public:
+  explicit PluginManager(Profile* profile);
+  virtual ~PluginManager();
+
+  // ProfileKeyedAPI implementation.
+  static ProfileKeyedAPIFactory<PluginManager>* GetFactoryInstance();
+
+  // content::NotificationObserver impelmentation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  friend class ProfileKeyedAPIFactory<PluginManager>;
+
+  // We implement some Pepper plug-ins using NaCl to take advantage of NaCl's
+  // strong sandbox. Typically, these NaCl modules are stored in extensions
+  // and registered here. Not all NaCl modules need to register for a MIME
+  // type, just the ones that are responsible for rendering a particular MIME
+  // type, like application/pdf. Note: We only register NaCl modules in the
+  // browser process.
+  void RegisterNaClModule(const NaClModuleInfo& info);
+  void UnregisterNaClModule(const NaClModuleInfo& info);
+
+  // Call UpdatePluginListWithNaClModules() after registering or unregistering
+  // a NaCl module to see those changes reflected in the PluginList.
+  void UpdatePluginListWithNaClModules();
+
+  extensions::NaClModuleInfo::List::iterator FindNaClModule(const GURL& url);

[not at google - send to devlin, 2013/05/29 23:04:06]

purely from an interface perspective, returning an iterator is odd. can you
return a NaclModuleInfo* instead?

[Yoyo Zhou, 2013/05/29 23:14:36]

Not really - list::erase takes an iterator.

+
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() { return "PluginManager"; }
+  static const bool kServiceIsNULLWhileTesting = true;
+
+  extensions::NaClModuleInfo::List nacl_module_list_;
+
+  content::NotificationRegistrar registrar_;
+
+  Profile* profile_;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_