Move DeclarativeUserScriptManager/Master and UserScriptLoader to //extensions.

chrome/browser/extensions/declarative_user_script_manager.h

Index: chrome/browser/extensions/declarative_user_script_manager.h
diff --git a/chrome/browser/extensions/declarative_user_script_manager.h b/chrome/browser/extensions/declarative_user_script_manager.h
deleted file mode 100644
index c89698a2900106333cb12c231d02e11cb2a840fc..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/declarative_user_script_manager.h
+++ /dev/null
@@ -1,59 +0,0 @@
-// 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_MANAGER_H_
-#define CHROME_BROWSER_EXTENSIONS_DECLARATIVE_USER_SCRIPT_MANAGER_H_
-
-#include <map>
-
-#include "base/macros.h"
-#include "base/memory/linked_ptr.h"
-#include "base/scoped_observer.h"
-#include "extensions/browser/extension_registry_observer.h"
-#include "extensions/common/host_id.h"
-
-class Profile;
-
-namespace extensions {
-class DeclarativeUserScriptMaster;
-
-// Manages a set of DeclarativeUserScriptMaster objects for script injections.
-class DeclarativeUserScriptManager : public ExtensionRegistryObserver {
- public:
-  explicit DeclarativeUserScriptManager(Profile* profile);
-  ~DeclarativeUserScriptManager() override;
-
-  // Gets the user script master for declarative scripts by the given
-  // HostID; if one does not exist, a new object will be created.
-  DeclarativeUserScriptMaster* GetDeclarativeUserScriptMasterByID(
-      const HostID& host_id);
-
- private:
-  using UserScriptMasterMap =
-      std::map<HostID, linked_ptr<DeclarativeUserScriptMaster>>;
-
-  // ExtensionRegistryObserver:
-  void OnExtensionUnloaded(content::BrowserContext* browser_context,
-                           const Extension* extension,
-                           UnloadedExtensionInfo::Reason reason) override;
-
-  // Creates a DeclarativeUserScriptMaster object.
-  DeclarativeUserScriptMaster* CreateDeclarativeUserScriptMaster(
-      const HostID& host_id);
-
-  // A map of DeclarativeUserScriptMasters for each host; each master
-  // is lazily initialized.
-  UserScriptMasterMap declarative_user_script_masters_;
-
-  Profile* profile_;
-
-  ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
-      extension_registry_observer_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeclarativeUserScriptManager);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_DECLARATIVE_USER_SCRIPT_MANAGER_H_