Modify transparency_check GM to always tile correctly.

gm/transparency.cpp

Index: gm/transparency.cpp
diff --git a/gm/transparency.cpp b/gm/transparency.cpp
index aeec31a9630db7b84b75cd37af9176d5e654e606..1a6275e2a22a249da8d31defe06cc2d9672d1ef2 100644
--- a/gm/transparency.cpp
+++ b/gm/transparency.cpp
@@ -62,13 +62,13 @@ static void checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) {
  *  This GM verifies that a transparent bitmap drawn over a
  *  checkerboard pattern looks correct.
  */
-DEF_SIMPLE_GM(transparency_check, canvas, 1912, 1080) {
+DEF_SIMPLE_GM(transparency_check, canvas, 1792, 1080) {
     checkerboard(canvas, 0xFF999999, 0xFF666666, 8);
     {
         SkAutoCanvasRestore autoCanvasRestore(canvas, true);
         SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(256, 9));
         make_transparency(surface->getCanvas(), 256.0f, 9.0f);
-        canvas->scale(7.5f, 120.0f);
+        canvas->scale(7.0f, 120.0f);
         surface->draw(canvas, 0, 0, NULL);
     }
 }