Augment gm shadows test to cover hairline paths

Note: this patch will cause gm/shadows to fail on all platforms until the test is re baselined.

REVIEW=http://codereview.appspot.com/5972065/



git-svn-id: http://skia.googlecode.com/svn/trunk@3612 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/shadows.cpp b/gm/shadows.cpp
index d4dd72f..e9274c7 100644
--- a/gm/shadows.cpp
+++ b/gm/shadows.cpp
@@ -40,7 +40,7 @@
     }
 
     virtual SkISize onISize() {
-        return make_isize(200, 80);
+        return make_isize(200, 120);
     }
 
     virtual void onDraw(SkCanvas* canvas) {
@@ -85,6 +85,7 @@
     } gRec[] = {
         { SK_ColorRED,      -SK_Scalar1 },
         { SK_ColorGREEN,    SkIntToScalar(4) },
+        { SK_ColorBLUE,     SkIntToScalar(0)},
     };
 
     SkPaint paint;
@@ -101,6 +102,10 @@
         canvas->translate(SkIntToScalar(0), SkIntToScalar(40));
         setup(&paint, gRec[1].fColor, gRec[1].fStrokeWidth);
         canvas->drawPath(fCirclePath, paint);
+
+        canvas->translate(SkIntToScalar(0), SkIntToScalar(40));
+        setup(&paint, gRec[2].fColor, gRec[2].fStrokeWidth);
+        canvas->drawPath(fCirclePath, paint);
     }
 }