Move Icons out of Extension class

chrome/browser/ui/ash/app_icon_loader_impl.cc

Index: chrome/browser/ui/ash/app_icon_loader_impl.cc
diff --git a/chrome/browser/ui/ash/app_icon_loader_impl.cc b/chrome/browser/ui/ash/app_icon_loader_impl.cc
index 9c7b6735277ee53bf9dc54b37109c31e32369ba4..8a6765c24a4cd790f1c46699a7282cda617b8440 100644
--- a/chrome/browser/ui/ash/app_icon_loader_impl.cc
+++ b/chrome/browser/ui/ash/app_icon_loader_impl.cc
@@ -8,6 +8,7 @@
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/api/icons/icons_handler.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "ui/gfx/color_utils.h"
@@ -55,9 +56,9 @@ void AppIconLoaderImpl::FetchImage(const std::string& id) {
 
   extensions::IconImage* image = new extensions::IconImage(
       extension,
-      extension->icons(),
+      extensions::IconsInfo::GetIcons(extension),
       icon_size_,
-      extensions::Extension::GetDefaultIcon(true),
+      extensions::IconsInfo::GetDefaultAppIcon(),
       this);
   // |map_| takes ownership of |image|.
   map_[image] = id;