Remove a SkImageDecoder reference from SkPicture.h

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index ddf4551c67701a21cac33537320eb8975460c064..14bf2ddd1dc2e13d9217d7d440dbe164887537d9 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -12,7 +12,7 @@
 
 #include "SkBitmap.h"
 #include "SkDrawPictureCallback.h"
-#include "SkImageDecoder.h"
+#include "SkRect.h"
 #include "SkRefCnt.h"
 #include "SkTDArray.h"
 
@@ -91,7 +91,16 @@ public:
      *          invalid.
      */
     static SkPicture* CreateFromStream(SkStream*,
-                                       InstallPixelRefProc proc = &SkImageDecoder::DecodeMemory);
+                                       InstallPixelRefProc proc);
+
+    /**
+     *  Recreate a picture that was serialized into a stream. Uses all the default
+     *  image decoders that are compiled into the library.
+     *  @param SkStream Serialized picture data.
+     *  @return A new SkPicture representing the serialized data, or NULL if the stream is
+     *          invalid.
+     */
+    static SkPicture* CreateFromStream(SkStream*);
 
     /**
      *  Recreate a picture that was serialized into a buffer. If the creation requires bitmap