Add a class to replace ImageLoadingTracker with a nicer API.

chrome/browser/extensions/image_loading_tracker_unittest.cc

 // 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.
 
 #include "chrome/browser/extensions/image_loading_tracker.h"
 
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 226 matching lines @@
   const gfx::ImageSkiaRep* img_rep1 = &image_reps[0];
   const gfx::ImageSkiaRep* img_rep2 = &image_reps[1];
   if (img_rep1->pixel_width() > img_rep2->pixel_width()) {
     std::swap(img_rep1, img_rep2);
   }
   EXPECT_EQ(extension_misc::EXTENSION_ICON_BITTY,
             img_rep1->pixel_width());
   EXPECT_EQ(extension_misc::EXTENSION_ICON_SMALLISH,
             img_rep2->pixel_width());
 }
-
-// Tests IsComponentExtensionResource function.
-TEST_F(ImageLoadingTrackerTest, IsComponentExtensionResource) {
-  scoped_refptr<Extension> extension(CreateExtension(
-      "file_manager", Extension::COMPONENT));
-  ASSERT_TRUE(extension.get() != NULL);
-
-  ExtensionResource resource =
-      extension->GetIconResource(extension_misc::EXTENSION_ICON_BITTY,
-                                 ExtensionIconSet::MATCH_EXACTLY);
-
-#if defined(FILE_MANAGER_EXTENSION)
-  ImageLoadingTracker loader(this);
-  int resource_id;
-  ASSERT_EQ(true,
-            loader.IsComponentExtensionResource(extension.get(),
-                                                resource.relative_path(),
-                                                &resource_id));
-  ASSERT_EQ(IDR_FILE_MANAGER_ICON_16, resource_id);
-#endif
-}