Turn on quilt mode in DM.

gm/quadpaths.cpp

Index: gm/quadpaths.cpp
diff --git a/gm/quadpaths.cpp b/gm/quadpaths.cpp
index 7351e45fcfdd6a34196ee41675cbccb6c93f876c..decf50a96edaf54a8f5f5f6919d2a80413f281e3 100644
--- a/gm/quadpaths.cpp
+++ b/gm/quadpaths.cpp
@@ -16,6 +16,10 @@ public:
     QuadPathGM() {}
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     SkString onShortName() {
         return SkString("quadpath");
     }
@@ -158,6 +162,10 @@ public:
     QuadClosePathGM() {}
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     SkString onShortName() {
         return SkString("quadclosepath");
     }