Add `SkIRect bounds()` convenience method to SkImageInfo and SkBitmap.

include/core/SkBitmap.h

Index: include/core/SkBitmap.h
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h
index b36a1fd3fddc59b211c21be88efd367af01bfb53..10fdd5547a5bfd5479415856d89b1ce6d9ef2b3a 100644
--- a/include/core/SkBitmap.h
+++ b/include/core/SkBitmap.h
@@ -83,6 +83,9 @@ public:
     SkColorType colorType() const { return fInfo.colorType(); }
     SkAlphaType alphaType() const { return fInfo.alphaType(); }
 
+    SkIRect bounds() const { return fInfo.bounds(); }

[reed1, 2014/10/24 18:42:35]

nit: lets move these next to the existing getBounds(), or move getBounds() here,
so they are visually grouped together.

[hal.canary, 2014/10/24 19:04:10]

Done.

+    SkISize dimensions() const { return fInfo.dimensions(); }
+
     /**
      *  Return the number of bytes per pixel based on the colortype. If the colortype is
      *  kUnknown_SkColorType, then 0 is returned.