Moves extension_icon_image and image_loader to extensions/browser

extensions/browser/image_loader_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_loader.h"
+#include "extensions/browser/image_loader.h"
 
+#include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
+#include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.h"
+#include "extensions/browser/extensions_browser_client.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_icon_set.h"
 #include "extensions/common/extension_resource.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_handlers/icons_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/file_manager/grit/file_manager_resources.h"
 #include "ui/gfx/image/image.h"
@@ skipping 285 matching lines @@
 
   const gfx::ImageSkiaRep* img_rep1 = &image_reps[0];
   const gfx::ImageSkiaRep* img_rep2 = &image_reps[1];
   EXPECT_EQ(extension_misc::EXTENSION_ICON_BITTY, img_rep1->pixel_width());
   EXPECT_EQ(1.0f, img_rep1->scale());
   EXPECT_EQ(extension_misc::EXTENSION_ICON_SMALLISH, img_rep2->pixel_width());
   EXPECT_EQ(2.0f, img_rep2->scale());
 }
 
 // Tests IsComponentExtensionResource function.
+// TODO(mukai): move this to ChromeExtensionsBrowserClient's test.
 TEST_F(ImageLoaderTest, IsComponentExtensionResource) {
   scoped_refptr<Extension> extension(CreateExtension(
       "file_manager", Manifest::COMPONENT));
   ASSERT_TRUE(extension.get() != NULL);
 
   ExtensionResource resource = extensions::IconsInfo::GetIconResource(
       extension.get(),
       extension_misc::EXTENSION_ICON_BITTY,
       ExtensionIconSet::MATCH_EXACTLY);
 
 #if defined(OS_CHROMEOS)
   int resource_id;
-  ASSERT_EQ(true,
-            ImageLoader::IsComponentExtensionResource(extension->path(),
-                                                      resource.relative_path(),
-                                                      &resource_id));
+  ASSERT_TRUE(extensions::ExtensionsBrowserClient::Get()->
+              IsComponentExtensionResource(extension->path(),
+                                           resource.relative_path(),
+                                           &resource_id));
   ASSERT_EQ(IDR_FILE_MANAGER_ICON_16, resource_id);
 #endif
 }