Override 32BPP format in SkCanvas::readPixels

Review URL: http://codereview.appspot.com/5330073/



git-svn-id: http://skia.googlecode.com/svn/trunk@2600 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/device/xps/SkXPSDevice.h b/include/device/xps/SkXPSDevice.h
index bac7f38..2ba20f0 100644
--- a/include/device/xps/SkXPSDevice.h
+++ b/include/device/xps/SkXPSDevice.h
@@ -143,7 +143,8 @@
 
     virtual bool onReadPixels(const SkBitmap& bitmap,
                               int x,
-                              int y) SK_OVERRIDE {
+                              int y,
+                              SkCanvas::Config8888) SK_OVERRIDE {
         return false;
     }