Add LargeIconCache and LargeIconServiceFactory for iOS.

skia/ext/skia_utils_ios.h

Index: skia/ext/skia_utils_ios.h
diff --git a/skia/ext/skia_utils_ios.h b/skia/ext/skia_utils_ios.h
index 6a854ce6aff408543831fd2755cf163c2606d943..fd0ad629a3b93f5db370bfc2fd88aab3fe05c68a 100644
--- a/skia/ext/skia_utils_ios.h
+++ b/skia/ext/skia_utils_ios.h
@@ -9,11 +9,14 @@
 #include <vector>
 
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkColor.h"
 
 #ifdef __OBJC__
+@class UIColor;
 @class UIImage;
 @class NSData;
 #else
+class UIColor;
 class UIImage;
 class NSData;
 #endif
@@ -35,6 +38,9 @@ SK_API UIImage* SkBitmapToUIImageWithColorSpace(const SkBitmap& skia_bitmap,
 // vector if none can be decoded.
 SK_API std::vector<SkBitmap> ImageDataToSkBitmaps(NSData* image_data);
 
+// Returns a UIColor for an SKColor and alpha.
+SK_API UIColor* ColorFromSkColor(SkColor color, CGFloat alpha);

[Justin Novosad, 2015/10/30 18:18:13]

Name: UIColorFromSkColor
If this method converts from skia type to platform type, shouldn't alpha be an
SkScalar?
Finally, What do you need this for? I don't see this being called anywhere

[justincohen, 2015/10/30 19:43:24]

Done + this is being used downstream for iOS.

+
 }  // namespace gfx
 
 #endif  // SKIA_EXT_SKIA_UTILS_IOS_H_