Add ability to store hidpi theme images in data pack

ui/gfx/image/image_skia_unittest.cc

Index: ui/gfx/image/image_skia_unittest.cc
diff --git a/ui/gfx/image/image_skia_unittest.cc b/ui/gfx/image/image_skia_unittest.cc
index e58917597f94dbbca14d3c3eb950d4fcd6d1c9f0..118c858bfad011fab820d72cd485bd01ec74cb19 100644
--- a/ui/gfx/image/image_skia_unittest.cc
+++ b/ui/gfx/image/image_skia_unittest.cc
@@ -87,14 +87,13 @@ TEST(ImageSkiaTest, FixedSource) {
   EXPECT_EQ(100, result_200p.pixel_width());
   EXPECT_EQ(200, result_200p.pixel_height());
   EXPECT_EQ(ui::SCALE_FACTOR_100P, result_200p.scale_factor());
-  EXPECT_EQ(2U, image_skia.image_reps().size());
+  EXPECT_EQ(1U, image_skia.image_reps().size());
 
   // Get the representation again and make sure it doesn't
   // generate new image skia rep.
   image_skia.GetRepresentation(ui::SCALE_FACTOR_100P);
-  EXPECT_EQ(2U, image_skia.image_reps().size());
   image_skia.GetRepresentation(ui::SCALE_FACTOR_200P);
-  EXPECT_EQ(2U, image_skia.image_reps().size());
+  EXPECT_EQ(1U, image_skia.image_reps().size());
 }
 
 TEST(ImageSkiaTest, DynamicSource) {