chrome: Use skia::RefPtr for skia ref-counted objects.

chrome/browser/ui/omnibox/location_bar_util.cc

Index: chrome/browser/ui/omnibox/location_bar_util.cc
diff --git a/chrome/browser/ui/omnibox/location_bar_util.cc b/chrome/browser/ui/omnibox/location_bar_util.cc
index e02468d3700568425d09e6f3a4c412acc0deec24..a9c9dc4b8a6acaced8a723d19bbaf65639b5a6b1 100644
--- a/chrome/browser/ui/omnibox/location_bar_util.cc
+++ b/chrome/browser/ui/omnibox/location_bar_util.cc
@@ -50,11 +50,11 @@ void PaintExtensionActionBackground(const ExtensionAction& action,
     color_utils::AlphaBlend(text_color, background_color, 0x13),
     color_utils::AlphaBlend(text_color, background_color, 0x1d)
   };
-  SkShader* gradient = SkGradientShader::CreateLinear(
-      gradient_bounds, gradient_colors, NULL, 2, SkShader::kClamp_TileMode);
+  skia::RefPtr<SkShader> gradient = skia::AdoptRef(
+      SkGradientShader::CreateLinear(gradient_bounds, gradient_colors,
+                                     NULL, 2, SkShader::kClamp_TileMode));
   SkPaint paint;
-  paint.setShader(gradient);
-  gradient->unref();
+  paint.setShader(gradient.get());
   canvas->DrawRect(bounds, paint);
 
   SkColor border_color =