Allow Resize to be called w/ a preallocated pixmap

src/core/SkBitmapScaler.h

Index: src/core/SkBitmapScaler.h
diff --git a/src/core/SkBitmapScaler.h b/src/core/SkBitmapScaler.h
index 03feec3e127c239eb4ac056d7845f748775242ab..71ec73065c95f6d4aa68739ad31fad88f1e9e6e0 100644
--- a/src/core/SkBitmapScaler.h
+++ b/src/core/SkBitmapScaler.h
@@ -29,6 +29,8 @@ public:
         RESIZE_LastMethod = RESIZE_MITCHELL,
     };
 
+    static bool Resize(const SkPixmap& dst, const SkPixmap& src, ResizeMethod method);

[caryclark, 2016/01/13 20:22:53]

At a casual glance, I would expect that this does not alter dst since it is
const.

[robertphillips, 2016/01/13 20:41:38]

I agree - it seems odd.

+
     static bool Resize(SkBitmap* result, const SkPixmap& src, ResizeMethod method,
                        int dest_width, int dest_height, SkBitmap::Allocator* = nullptr);