Cleanup: Make ExtensionService::OnExtensionInstalled take a bitmask instead of

extensions/browser/install_flag.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_INSTALL_FLAG_H_
+#define CHROME_BROWSER_EXTENSIONS_INSTALL_FLAG_H_
+
+namespace extensions {
+
+// Flags used when installing an extension, through ExtensionService and
+// ExtensionPrefs and beyond.
+enum InstallFlag {
+  kInstallFlagNone = 0,
+
+  // The requirements of the extension weren't met (for example graphics
+  // capabilities).
+  kInstallFlagHasRequirementErrors = 1 << 0,
+
+  // Extension is blacklisted for being malware.
+  kInstallFlagIsBlacklistedForMalware = 1 << 1,
+
+  // This is an ephemeral app.
+  kInstallFlagIsEphemeral = 1 << 2,
+
+  // Install the extension immediately, don't wait until idle.
+  kInstallFlagInstallImmediately = 1 << 3,
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_INSTALL_FLAG_H_