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extensions/common/constants.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 EXTENSIONS_COMMON_CONSTANTS_H_
 #define EXTENSIONS_COMMON_CONSTANTS_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 
@@ skipping 121 matching lines @@
 };
 
 // List of sizes for extension icons that can be defined in the manifest.
 extern const int kExtensionIconSizes[];
 extern const size_t kNumExtensionIconSizes;
 
 // List of sizes for extension icons that can be defined in the manifest.
 extern const int kExtensionActionIconSizes[];
 extern const size_t kNumExtensionActionIconSizes;
 
+// The type of injected script.
+enum InjectedScriptType {
+  // A content script specified in the extension's manifest.
+  CONTENT_SCRIPT,
+  // A script injected via, e.g. tabs.executeScript().
+  PROGRAMMATIC_SCRIPT
+};
+
+// The last type of injected script; used for enum verification in IPC.
+// Update this if you add more injected script types!
+const InjectedScriptType INJECTED_SCRIPT_LAST = PROGRAMMATIC_SCRIPT;
+
 }  // namespace extension_misc
 
 #endif  // EXTENSIONS_COMMON_CONSTANTS_H_