Add support for multi resolution icons

ui/gfx/image_unittest_util.cc

Index: ui/gfx/image_unittest_util.cc
diff --git a/ui/gfx/image_unittest.h b/ui/gfx/image_unittest_util.cc
similarity index 76%
rename from ui/gfx/image_unittest.h
rename to ui/gfx/image_unittest_util.cc
index 09abfcedc6bd449de39665cc1396250deab3bde5..b996a86093b153d4117ac46d55effe14a4414183 100644
--- a/ui/gfx/image_unittest.h
+++ b/ui/gfx/image_unittest_util.cc
@@ -5,10 +5,8 @@
 // Because the unit tests for gfx::Image are spread across multiple
 // implementation files, this header contains the reusable components.
 
-#ifndef UI_GFX_IMAGE_UNITTEST_H_
-#define UI_GFX_IMAGE_UNITTEST_H_
-
 #include "base/memory/scoped_ptr.h"
+#include "ui/gfx/image_unittest_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
@@ -22,24 +20,16 @@
 namespace gfx {
 namespace test {
 
-#if defined(OS_MACOSX)
-typedef NSImage* PlatformImage;
-#elif defined(OS_LINUX) && !defined(TOOLKIT_VIEWS)
-typedef GdkPixbuf* PlatformImage;
-#else
-typedef const SkBitmap* PlatformImage;
-#endif
-
-SkBitmap* CreateBitmap() {
+SkBitmap* CreateBitmap(int width, int height) {
   SkBitmap* bitmap = new SkBitmap();
-  bitmap->setConfig(SkBitmap::kARGB_8888_Config, 25, 25);
+  bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
   bitmap->allocPixels();
   bitmap->eraseRGB(255, 0, 0);
   return bitmap;
 }
 
 PlatformImage CreatePlatformImage() {
-  scoped_ptr<SkBitmap> bitmap(CreateBitmap());
+  scoped_ptr<SkBitmap> bitmap(CreateBitmap(25, 25));
 #if defined(OS_MACOSX)
   NSImage* image = gfx::SkBitmapToNSImage(*(bitmap.get()));
   base::mac::NSObjectRetain(image);
@@ -63,5 +53,3 @@ gfx::Image::RepresentationType GetPlatformRepresentationType() {
 
 }  // namespace test
 }  // namespace gfx
-
-#endif  // UI_GFX_IMAGE_UNITTEST_H_