Removing base::ThreadRestrictions::ScopedAllowIO from icon_manager_linux.cc

chrome/browser/icon_loader_chromeos.cc

Index: chrome/browser/icon_loader_chromeos.cc
diff --git a/chrome/browser/icon_loader_chromeos.cc b/chrome/browser/icon_loader_chromeos.cc
index 100f1ac1c4c958f9e4f35eaf1c0bbdead3271850..f9a3594a783b2befe57a67992a6e4ee5f78fb60e 100644
--- a/chrome/browser/icon_loader_chromeos.cc
+++ b/chrome/browser/icon_loader_chromeos.cc
@@ -177,10 +177,10 @@ int IconSizeToDIPSize(IconLoader::IconSize size) {
 
 }  // namespace
 
-void IconLoader::ReadIcon() {
+void IconLoader::ReadIcon(const IconGroupID& group) {
   static base::LazyInstance<IconMapper>::Leaky icon_mapper =
       LAZY_INSTANCE_INITIALIZER;
-  int idr = icon_mapper.Get().Lookup(group_, icon_size_);
+  int idr = icon_mapper.Get().Lookup(group, icon_size_);
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   gfx::ImageSkia image_skia(ResizeImage(*(rb.GetImageNamed(idr)).ToImageSkia(),
                                         IconSizeToDIPSize(icon_size_)));