Get rid of Image::Image(SkBitmap*)

ui/gfx/image/image_unittest_util.h

Index: ui/gfx/image/image_unittest_util.h
diff --git a/ui/gfx/image/image_unittest_util.h b/ui/gfx/image/image_unittest_util.h
index fb471b9a3c0806eb5d95ab49452a90c3e124270c..e617f26fa38aabddc07bb6a911a81426c6cf8033 100644
--- a/ui/gfx/image/image_unittest_util.h
+++ b/ui/gfx/image/image_unittest_util.h
@@ -18,10 +18,10 @@ typedef NSImage* PlatformImage;
 #elif defined(TOOLKIT_GTK)
 typedef GdkPixbuf* PlatformImage;
 #else
-typedef const SkBitmap* PlatformImage;
+typedef const SkBitmap PlatformImage;
 #endif
 
-SkBitmap* CreateBitmap(int width, int height);
+const SkBitmap CreateBitmap(int width, int height);
 
 gfx::Image CreateImage();
 
@@ -35,6 +35,10 @@ gfx::Image::RepresentationType GetPlatformRepresentationType();
 
 PlatformImage ToPlatformType(const gfx::Image& image);
 
+bool IsPlatformImageValid(PlatformImage image);
+
+bool PlatformImagesEqual(PlatformImage image1, PlatformImage image2);
+
 }  // namespace test
 }  // namespace gfx