Extension loading extracts intents from Manifest data.

chrome/browser/extensions/extension_icon_manager_unittest.cc

 // Copyright (c) 2011 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.
 
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_icon_manager.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 91 matching lines @@
   FilePath test_dir;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_dir));
   FilePath manifest_path = test_dir.AppendASCII(
       "extensions/image_loading_tracker/app.json");
 
   JSONFileValueSerializer serializer(manifest_path);
   scoped_ptr<DictionaryValue> manifest(
       static_cast<DictionaryValue*>(serializer.Deserialize(NULL, NULL)));
   ASSERT_TRUE(manifest.get() != NULL);
 
+  std::string error;
   scoped_refptr<Extension> extension(Extension::Create(
       manifest_path.DirName(), Extension::INVALID, *manifest.get(),
-      Extension::STRICT_ERROR_CHECKS, NULL));
+      Extension::STRICT_ERROR_CHECKS, &error));
   ASSERT_TRUE(extension.get());
   TestIconManager icon_manager(this);
 
   // Load the icon and grab the bitmap.
   icon_manager.LoadIcon(extension.get());
   WaitForImageLoad();
   SkBitmap first_icon = icon_manager.GetIcon(extension->id());
   EXPECT_FALSE(gfx::BitmapsAreEqual(first_icon, default_icon));
 
   // Remove the icon from the manager.
   icon_manager.RemoveIcon(extension->id());
 
   // Now re-load the icon - we should get the same result bitmap (and not the
   // default icon).
   icon_manager.LoadIcon(extension.get());
   WaitForImageLoad();
   SkBitmap second_icon = icon_manager.GetIcon(extension->id());
   EXPECT_FALSE(gfx::BitmapsAreEqual(second_icon, default_icon));
 
   EXPECT_TRUE(gfx::BitmapsAreEqual(first_icon, second_icon));
 }