Moved some functions off ExtensionService into a new file extension_util.

chrome/browser/extensions/extension_util.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_EXTENSION_UTIL_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_UTIL_H_
+
+#include <string>
+
+namespace extensions {
+class Extension;
+}
+
+class ExtensionService;
+
+namespace extension_util {
+
+// Whether this extension can run in an incognito window.
+bool IsIncognitoEnabled(const std::string& extension_id,
+                        const ExtensionService* service);
+
+// Will reload the extension since this permission is applied at loading time
+// only.
+void SetIsIncognitoEnabled(const std::string& extension_id,
+                           ExtensionService* service,
+                           bool enabled);
+
+// Returns true if the given extension can see events and data from another
+// sub-profile (incognito to original profile, or vice versa).
+bool CanCrossIncognito(const extensions::Extension* extension,
+                       const ExtensionService* service);
+
+// Returns true if the given extension can be loaded in incognito.
+bool CanLoadInIncognito(const extensions::Extension* extension,
+                        const ExtensionService* service);
+
+// Whether this extension can inject scripts into pages with file URLs.
+bool AllowFileAccess(const extensions::Extension* extension,
+                     const ExtensionService* service);
+
+// Will reload the extension since this permission is applied at loading time
+// only.
+void SetAllowFileAccess(const extensions::Extension* extension,
+                        ExtensionService* service,
+                        bool allow);
+
+}  // namespace extension_util
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_UTIL_H_