Revert 137075 - Get rid of Image::Image(SkBitmap*)

ui/gfx/image/image_unittest_util.h

Index: ui/gfx/image/image_unittest_util.h
===================================================================
--- ui/gfx/image/image_unittest_util.h	(revision 137075)
+++ ui/gfx/image/image_unittest_util.h	(working copy)
@@ -18,10 +18,10 @@
 #elif defined(TOOLKIT_GTK)
 typedef GdkPixbuf* PlatformImage;
 #else
-typedef const SkBitmap PlatformImage;
+typedef const SkBitmap* PlatformImage;
 #endif
 
-const SkBitmap CreateBitmap(int width, int height);
+SkBitmap* CreateBitmap(int width, int height);
 
 gfx::Image CreateImage();
 
@@ -35,10 +35,6 @@
 
 PlatformImage ToPlatformType(const gfx::Image& image);
 
-bool IsPlatformImageValid(PlatformImage image);
-
-bool PlatformImagesEqual(PlatformImage image1, PlatformImage image2);
-
 }  // namespace test
 }  // namespace gfx