Make sure that a given app/extension requests only its own resources.

chrome/browser/extensions/extension_function_test_utils.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_FUNCTION_TEST_UTILS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 36 matching lines @@
 
 // Creates an extension instance that can be attached to an ExtensionFunction
 // before running it.
 scoped_refptr<extensions::Extension> CreateEmptyExtension();
 
 // Creates an extension instance with a specified location that can be attached
 // to an ExtensionFunction before running.
 scoped_refptr<extensions::Extension> CreateEmptyExtensionWithLocation(
     extensions::Extension::Location location);
 
+// Creates an empty extension with a variable ID, for tests that require
+// multiple extensions side-by-side having distinct IDs. If not empty, then
+// id_input is passed directly to Extension::CreateId() and thus has the same
+// behavior as that method. If id_input is empty, then Extension::Create()
+// receives an empty explicit ID and generates an appropriate ID for a blank
+// extension.
+scoped_refptr<extensions::Extension> CreateEmptyExtension(
+    extensions::Extension::Location location,
+    const std::string& id_input);
+
 enum RunFunctionFlags {
   NONE = 0,
   INCLUDE_INCOGNITO = 1 << 0
 };
 
 // Run |function| with |args| and return the resulting error. Adds an error to
 // the current test if |function| returns a result.
 std::string RunFunctionAndReturnError(UIThreadExtensionFunction* function,
                                       const std::string& args,
                                       Browser* browser,
@@ skipping 26 matching lines @@
 // we're going to need to frob for all the different extension functions. But
 // we can refactor when we see what is needed.
 bool RunFunction(UIThreadExtensionFunction* function,
                  const std::string& args,
                  Browser* browser,
                  RunFunctionFlags flags);
 
 } // namespace extension_function_test_utils
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_