use SkColorType instead of SkBitmap::Config in views/effects

R=scroggo@google.com, reed@google.com
TBR=scroggo

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/168843002

git-svn-id: http://skia.googlecode.com/svn/trunk@13469 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index a563a6e..cffadb2 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -204,8 +204,8 @@
         (displInput && !displInput->filterImage(proxy, src, ctm, &displ, &displOffset))) {
         return false;
     }
-    if ((displ.config() != SkBitmap::kARGB_8888_Config) ||
-        (color.config() != SkBitmap::kARGB_8888_Config)) {
+    if ((displ.colorType() != kPMColor_SkColorType) ||
+        (color.colorType() != kPMColor_SkColorType)) {
         return false;
     }