chromeos: Fix pixelated icons in app list and launcher (part 2)

chrome/browser/extensions/extension_icon_image_delegate.h

Index: chrome/browser/extensions/extension_icon_image_delegate.h
diff --git a/chrome/browser/extensions/extension_icon_image_delegate.h b/chrome/browser/extensions/extension_icon_image_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..01782eac6c4f058f7e643c23d02c9c72499397ca
--- /dev/null
+++ b/chrome/browser/extensions/extension_icon_image_delegate.h
@@ -0,0 +1,19 @@
+// 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_ICON_IMAGE_DELEGATE_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_IMAGE_DELEGATE_H_
+
+class ExtensionIconImage;
+
+class ExtensionIconImageDelegate {
+ public:
+  // Invoked when resource finishes loading and |image| is updated.
+  virtual void OnExtensionIconImageChanged(ExtensionIconImage* image) = 0;
+
+ protected:
+  virtual ~ExtensionIconImageDelegate() {}
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_IMAGE_DELEGATE_H_