chromeos: Fix pixelated icons in app list and launcher (part 1)

ui/gfx/shadow_value.cc

Index: ui/gfx/shadow_value.cc
diff --git a/ui/gfx/shadow_value.cc b/ui/gfx/shadow_value.cc
index c8915e20107e166e5f31c2809a5235dd923e5fb7..09127ee5bfc7dd3a7da500026511e08bbc45646e 100644
--- a/ui/gfx/shadow_value.cc
+++ b/ui/gfx/shadow_value.cc
@@ -27,6 +27,10 @@ ShadowValue::ShadowValue(const gfx::Point& offset,
 ShadowValue::~ShadowValue() {
 }
 
+ShadowValue ShadowValue::Scale(float scale) const {
+  return ShadowValue(offset_.Scale(scale), blur_ * scale, color_);
+}
+
 std::string ShadowValue::ToString() const {
   return base::StringPrintf(
       "(%d,%d),%.2f,rgba(%d,%d,%d,%d)",