add SkDeviceLooper to handle larger-than-fixedpoint

BUG=

Review URL: https://codereview.chromium.org/23392006

git-svn-id: http://skia.googlecode.com/svn/trunk@10943 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/DrawPathTest.cpp b/tests/DrawPathTest.cpp
index f47b8c3..9f440f6 100644
--- a/tests/DrawPathTest.cpp
+++ b/tests/DrawPathTest.cpp
@@ -320,10 +320,7 @@
     if (false) test_crbug131181();
     test_infinite_dash(reporter);
     test_crbug_165432(reporter);
-
-    if (false) {    // working on a fix
-        test_big_aa_rect(reporter);
-    }
+    test_big_aa_rect(reporter);
 }
 
 #include "TestClassDef.h"