switch to colortype for deepcopy

include/core/SkPixelRef.h

Index: include/core/SkPixelRef.h
diff --git a/include/core/SkPixelRef.h b/include/core/SkPixelRef.h
index 8319ec6da5acd7776e00b623938f4215fbb7d648..339cea192aeaa36a0e3e8c1d4a741720900dd99e 100644
--- a/include/core/SkPixelRef.h
+++ b/include/core/SkPixelRef.h
@@ -223,14 +223,14 @@ public:
 
     /**
      *  Makes a deep copy of this PixelRef, respecting the requested config.

[robertphillips, 2014/06/11 12:31:05]

colorType -> colortype ?

-     *  @param config Desired config.
+     *  @param colorType Desired colortype.
      *  @param subset Subset of this PixelRef to copy. Must be fully contained within the bounds of
      *         of this PixelRef.
      *  @return A new SkPixelRef, or NULL if either there is an error (e.g. the destination could
      *          not be created with the given config), or this PixelRef does not support deep
      *          copies.
      */
-    virtual SkPixelRef* deepCopy(SkBitmap::Config config, const SkIRect* subset = NULL) {
+    virtual SkPixelRef* deepCopy(SkColorType colortype, const SkIRect* subset) {
         return NULL;
     }