remove unused (by clients) SkUnitMapper

include/core/SkShader.h

Index: include/core/SkShader.h
diff --git a/include/core/SkShader.h b/include/core/SkShader.h
index e67167d924cfa02f2ad87c6ce6ad533febefe553..157e38859762ea5883fd5978dad890a1f96b86fa 100644
--- a/include/core/SkShader.h
+++ b/include/core/SkShader.h
@@ -21,6 +21,10 @@ class SkXfermode;
 class GrContext;
 class GrEffectRef;
 
+#ifdef SK_SUPPORT_LEGACY_DEADUNITMAPPERTYPE

[scroggo, 2014/05/15 14:33:38]

Is this just in case Mozilla or someone uses it? It appears neither Chrome nor
Android use it.

[scroggo, 2014/05/15 17:18:13]

Thoughts? Is it just here because Chrome calls the functions which require the
parameter for a unitmapper? If so, we'll need to define it for chrome.

+    class SkDeadUnitMapperType;
+#endif
+
 /** \class SkShader
  *
  *  Shaders specify the source color(s) for what is being drawn. If a paint