Turn on quilt mode in DM.

gm/tilemodes_scaled.cpp

Index: gm/tilemodes_scaled.cpp
diff --git a/gm/tilemodes_scaled.cpp b/gm/tilemodes_scaled.cpp
index e9c6c9950ad631d6d0912f1501b49c6675d53223..a79002b56b31788537da9a7ce7fc823ea6afdac6 100644
--- a/gm/tilemodes_scaled.cpp
+++ b/gm/tilemodes_scaled.cpp
@@ -68,12 +68,18 @@ public:
     SkBitmap    fTexture[SK_ARRAY_COUNT(gColorTypes)];
 
 protected:
-
     enum {
         kPOTSize = 4,
         kNPOTSize = 3,
     };
 
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        if (!fPowerOfTwoSize) {
+            return kSkipTiled_Flag;  // Only for 565.  8888 is fine.
+        }
+        return 0;
+    }
+
     SkString onShortName() {
         SkString name("scaled_tilemodes");
         if (!fPowerOfTwoSize) {
@@ -214,6 +220,10 @@ public:
     }
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     SkString onShortName() {
         return fName;
     }