Remove a un-necessary initialization line

media/renderers/skcanvas_video_renderer_unittest.cc

Index: media/renderers/skcanvas_video_renderer_unittest.cc
diff --git a/media/renderers/skcanvas_video_renderer_unittest.cc b/media/renderers/skcanvas_video_renderer_unittest.cc
index 38141c12d500daf4059b8b4bc679ae416145820c..55ab3b1448fae3c2715bb5fe5e523846c8c473d8 100644
--- a/media/renderers/skcanvas_video_renderer_unittest.cc
+++ b/media/renderers/skcanvas_video_renderer_unittest.cc
@@ -242,7 +242,6 @@ void SkCanvasVideoRendererTest::PaintRotated(
   }
   SkPaint paint;
   paint.setXfermodeMode(mode);
-  paint.setAlpha(0xFF);
   paint.setFilterQuality(kLow_SkFilterQuality);
   renderer_.Paint(video_frame, canvas, dest_rect, paint, video_rotation,
                   Context3D());