Declarative content scripts: Browser-side: per-extension shared memory regions (lazily loaded)

chrome/browser/extensions/declarative_user_script_master.h

+// Copyright 2014 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_DECLARATIVE_USER_SCRIPT_MASTER_H_
+#define CHROME_BROWSER_EXTENSIONS_DECLARATIVE_USER_SCRIPT_MASTER_H_
+
+#include "chrome/browser/extensions/user_script_loader.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/user_script.h"

[Devlin, 2014/08/04 18:33:24]

Can just forward-declare UserScript here.

[Mark Dittmer, 2014/08/05 20:33:18]

Done.

+
+class Profile;
+
+namespace extensions {
+
+class DeclarativeUserScriptMaster {

[Devlin, 2014/08/04 18:33:24]

class comments

[Mark Dittmer, 2014/08/05 20:33:18]

Done.

+ public:
+  DeclarativeUserScriptMaster(Profile* profile,
+                              const ExtensionId& extension_id);
+  virtual ~DeclarativeUserScriptMaster();
+
+  // Adds script to shared memory region. This may not happen right away if a
+  // script load is in progress.
+  void AddScript(const UserScript& script);
+
+  // Removes script from shared memory region. This may not happen right away if
+  // a script load is in progress.
+  void RemoveScript(const UserScript& script);
+
+  // Removes all scripts from shared memory region. This may not happen right
+  // away if a script load is in progress.
+  void ClearScripts();
+
+ private:
+  // Script loader that handles loading contents of scripts into shared memory
+  // and notifying renderers of scripts in shared memory.
+  UserScriptLoader loader_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeclarativeUserScriptMaster);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_DECLARATIVE_USER_SCRIPT_MASTER_H_