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

chrome/browser/extensions/extension_function_test_utils.cc

Index: chrome/browser/extensions/extension_function_test_utils.cc
diff --git a/chrome/browser/extensions/extension_function_test_utils.cc b/chrome/browser/extensions/extension_function_test_utils.cc
index 820fbdef1ad6352826554ba5408ce70f2feca731..174748c24e2f70eb0f5fd26a5b9d764c1aa37de3 100644
--- a/chrome/browser/extensions/extension_function_test_utils.cc
+++ b/chrome/browser/extensions/extension_function_test_utils.cc
@@ -105,15 +105,24 @@ scoped_refptr<Extension> CreateEmptyExtension() {
 
 scoped_refptr<Extension> CreateEmptyExtensionWithLocation(
     Extension::Location location) {
+  return CreateEmptyExtension(location, std::string());
+}
+
+scoped_refptr<Extension> CreateEmptyExtension(Extension::Location location,
+                                              const std::string& id_input) {
   std::string error;
   const FilePath test_extension_path;
   scoped_ptr<base::DictionaryValue> test_extension_value(
       ParseDictionary("{\"name\": \"Test\", \"version\": \"1.0\"}"));
+  std::string id;
+  if (!id_input.empty())
+    CHECK(Extension::GenerateId(id_input, &id));
   scoped_refptr<Extension> extension(Extension::Create(
       test_extension_path,
       location,
       *test_extension_value.get(),
       Extension::NO_FLAGS,
+      id,
       &error));
   EXPECT_TRUE(error.empty()) << "Could not parse test extension " << error;
   return extension;