Add patheffects to debugger printout

src/effects/SkDashPathEffect.cpp

Index: src/effects/SkDashPathEffect.cpp
diff --git a/src/effects/SkDashPathEffect.cpp b/src/effects/SkDashPathEffect.cpp
index 8cd703f62fa16df323e8ad5daa70ae7372058300..5296f972d5cef104458b59755192e4378b72acfa 100644
--- a/src/effects/SkDashPathEffect.cpp
+++ b/src/effects/SkDashPathEffect.cpp
@@ -369,3 +369,17 @@ SkFlattenable* SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
     }
     return NULL;
 }
+
+#ifndef SK_IGNORE_TO_STRING
+void SkDashPathEffect::toString(SkString* str) const {
+    str->appendf("SkDashPathEffect: (");
+    str->appendf("count: %d phase %.2f intervals: (", fCount, fPhase);
+    for (int i = 0; i < fCount; ++i) {
+        str->appendf("%.2f", fIntervals[i]);
+        if (i < fCount-1) {
+            str->appendf(", ");
+        }
+    }
+    str->appendf("))");
+}
+#endif