Turn on quilt mode in DM.

gm/gradients_no_texture.cpp

Index: gm/gradients_no_texture.cpp
diff --git a/gm/gradients_no_texture.cpp b/gm/gradients_no_texture.cpp
index 8086eabbf45a831b63708d0c55e17c762d2bc561..2e75c9ed79fcdd844c75dcd78fe73dc54d4ce383 100644
--- a/gm/gradients_no_texture.cpp
+++ b/gm/gradients_no_texture.cpp
@@ -92,6 +92,10 @@ public:
     }
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     SkString onShortName() SK_OVERRIDE { return SkString("gradients_no_texture"); }
     virtual SkISize onISize() SK_OVERRIDE { return make_isize(640, 615); }
 
@@ -214,6 +218,10 @@ public:
     GradientsManyColorsGM() {}
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     SkString onShortName() SK_OVERRIDE { return SkString("gradients_many"); }
     virtual SkISize onISize() SK_OVERRIDE { return SkISize::Make(850, 100); }