Enable permission warnings from ManifestHandlers.

extensions/common/permissions/manifest_permission.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 EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_
+#define EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/pickle.h"
+#include "extensions/common/permissions/permission_message.h"
+
+class PickleIterator;
+
+namespace base {
+class Value;
+class ListValue;
+}
+
+namespace IPC {
+class Message;
+}
+
+namespace extensions {
+
+// Represent the custom behavior of a top-level manifest entry contributing to
+// permission messages and storage.
+class ManifestPermission {
+ public:
+  ManifestPermission();
+  virtual ~ManifestPermission();
+
+  // The manifest key this permission applies to.
+  virtual std::string name() const = 0;
+
+  // Same as name(), needed for compatibility with APIPermission.
+  virtual std::string id() const = 0;
+
+  // Returns true if this permission has any PermissionMessages.
+  virtual bool HasMessages() const = 0;
+
+  // Returns the localized permission messages of this permission.
+  virtual PermissionMessages GetMessages() const = 0;
+
+  // Parses the ManifestPermission from |value|. Returns false if error happens.
+  virtual bool FromValue(const base::Value* value) = 0;
+
+  // Stores this into a new created |value|.
+  virtual scoped_ptr<base::Value> ToValue() const = 0;
+
+  // Clones this.
+  virtual ManifestPermission* Clone() const = 0;
+
+  // Returns a new manifest permission which equals this - |rhs|.
+  virtual ManifestPermission* Diff(const ManifestPermission* rhs) const = 0;
+
+  // Returns a new manifest permission which equals the union of this and |rhs|.
+  virtual ManifestPermission* Union(const ManifestPermission* rhs) const = 0;
+
+  // Returns a new manifest permission which equals the intersect of this and
+  // |rhs|.
+  virtual ManifestPermission* Intersect(const ManifestPermission* rhs)
+      const = 0;
+
+  // Returns true if |rhs| is a subset of this.
+  virtual bool Contains(const ManifestPermission* rhs) const = 0;
+
+  // Returns true if |rhs| is equal to this.
+  virtual bool Equal(const ManifestPermission* rhs) const = 0;
+
+  // IPC functions
+  // Writes this into the given IPC message |m|.
+  virtual void Write(IPC::Message* m) const = 0;
+
+  // Reads from the given IPC message |m|.
+  virtual bool Read(const IPC::Message* m, PickleIterator* iter) = 0;
+
+  // Logs this permission.
+  virtual void Log(std::string* log) const = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ManifestPermission);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_