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

chrome/browser/ui/views/ash/app_list/extension_app_item.cc

Index: chrome/browser/ui/views/ash/app_list/extension_app_item.cc
diff --git a/chrome/browser/ui/views/ash/app_list/extension_app_item.cc b/chrome/browser/ui/views/ash/app_list/extension_app_item.cc
index 44722013c6cb4a3a714beba949b60461eaef2dda..68ed3ccf202f1f4007f616fe33b2b500cb7c82e5 100644
--- a/chrome/browser/ui/views/ash/app_list/extension_app_item.cc
+++ b/chrome/browser/ui/views/ash/app_list/extension_app_item.cc
@@ -152,13 +152,12 @@ const Extension* ExtensionAppItem::GetExtension() const {
 
 void ExtensionAppItem::LoadImage(const Extension* extension) {
   tracker_.reset(new ImageLoadingTracker(this));
-  tracker_->LoadImage(extension,
-                      extension->GetIconResource(
-                          ExtensionIconSet::EXTENSION_ICON_LARGE,
-                          ExtensionIconSet::MATCH_BIGGER),
-                      gfx::Size(ExtensionIconSet::EXTENSION_ICON_LARGE,
-                                ExtensionIconSet::EXTENSION_ICON_LARGE),
-                      ImageLoadingTracker::DONT_CACHE);
+  tracker_->LoadDIPImage(
+      extension,
+      ExtensionIconSet::EXTENSION_ICON_MEDIUM,
+      gfx::Size(ExtensionIconSet::EXTENSION_ICON_MEDIUM,
+                ExtensionIconSet::EXTENSION_ICON_MEDIUM),
+      ImageLoadingTracker::DONT_CACHE);
 }
 
 void ExtensionAppItem::ShowExtensionOptions() {
@@ -188,7 +187,7 @@ void ExtensionAppItem::OnImageLoaded(const gfx::Image& image,
                                      const std::string& extension_id,
                                      int tracker_index) {
   if (!image.IsEmpty())
-    SetIcon(*image.ToSkBitmap());
+    SetIcon(*image.ToImageSkia());
   else
     SetIcon(Extension::GetDefaultIcon(true /* is_app */));
 }