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

chrome/browser/icon_loader_win.cc

Index: chrome/browser/icon_loader_win.cc
diff --git a/chrome/browser/icon_loader_win.cc b/chrome/browser/icon_loader_win.cc
index 7aa1455f8539ad7e654e07399ac4ca072757292d..6d24c9896f5074634ebeb8226ef6e38edfa9d4ec 100644
--- a/chrome/browser/icon_loader_win.cc
+++ b/chrome/browser/icon_loader_win.cc
@@ -15,6 +15,15 @@
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/size.h"
 
+IconGroupID IconLoader::ReadGroupIDFromFilepath(
+    const base::FilePath& filepath) {
+  std::wstring extension = filepath.Extension();
+  if (extension != L".exe" && extension != L".dll" && extension != L".ico")
+    return extension;
+  else
+    return filepath.value();
+}
+
 void IconLoader::ReadIcon() {
   int size = 0;
   switch (icon_size_) {