arc: Use high-resolution icon for Play Store default item for scale >= 1.5f.

chrome/browser/ui/app_list/arc/arc_app_icon.cc

Index: chrome/browser/ui/app_list/arc/arc_app_icon.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_icon.cc b/chrome/browser/ui/app_list/arc/arc_app_icon.cc
index 596660b0c227052f7d4170d42d49d20799f09ace..bf55b1d6a3f06b294e380461ac341c6259763ecd 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_icon.cc
+++ b/chrome/browser/ui/app_list/arc/arc_app_icon.cc
@@ -88,7 +88,7 @@ gfx::ImageSkiaRep ArcAppIcon::Source::GetImageForScale(float scale) {
   int resource_id;
   if (host_ && host_->app_id() == arc::kPlayStoreAppId) {
     resource_id = scale >= 1.5f ?
-        IDR_ARC_SUPPORT_ICON_48 : IDR_ARC_SUPPORT_ICON_96;
+        IDR_ARC_SUPPORT_ICON_96 : IDR_ARC_SUPPORT_ICON_48;

[khmel, 2016/09/23 01:44:45]

could you please retest that it works as expected. I pained one icon one color
and another icon different color and made sure that app list contains right one.

I probably formatted the code and made that typo but not sure 100%

Thanks

[hshi1, 2016/09/23 01:47:50]

Yes I did just retest this (I'm using a paint tool to modify one of the PNGs). 

Note that you must test this BEFORE the Play Store opt-in flow. Because after
that the icon is not the one shipped with Chrome but the actual play store icon.

[khmel, 2016/09/23 01:48:54]

Thanks, lgtm

   } else {
     resource_id = IDR_APP_DEFAULT_ICON;
   }