Revert of cc: Move SkShader construction to a single spot in PaintShader

ash/touch_hud/touch_hud_renderer.cc

Index: ash/touch_hud/touch_hud_renderer.cc
diff --git a/ash/touch_hud/touch_hud_renderer.cc b/ash/touch_hud/touch_hud_renderer.cc
index 473fcaef9736bbc05fd1a37c5b0c8be468446bdb..d6ce0c342093b11776ee02b21e0cfb135c52d5f4 100644
--- a/ash/touch_hud/touch_hud_renderer.cc
+++ b/ash/touch_hud/touch_hud_renderer.cc
@@ -84,7 +84,7 @@
       alpha = static_cast<int>(fadeout_->CurrentValueBetween(alpha, 0));
     fill_flags_.setAlpha(alpha);
     stroke_flags_.setAlpha(alpha);
-    fill_flags_.setShader(cc::PaintShader::MakeRadialGradient(
+    fill_flags_.setShader(SkGradientShader::MakeRadial(
         gradient_center_, SkIntToScalar(kPointRadius), gradient_colors_,
         gradient_pos_, arraysize(gradient_colors_),
         SkShader::kMirror_TileMode));