Linux: Sync GetDesktopName in gtk2_util.cc

chrome/browser/shell_integration_linux.cc

Index: chrome/browser/shell_integration_linux.cc
diff --git a/chrome/browser/shell_integration_linux.cc b/chrome/browser/shell_integration_linux.cc
index 7e63e1dd943f06c7071f0bbffa990b6a4699728b..af6c02bd2eff05a5c2fe0ea4f5897033f6464a72 100644
--- a/chrome/browser/shell_integration_linux.cc
+++ b/chrome/browser/shell_integration_linux.cc
@@ -585,6 +585,7 @@ std::string GetProgramClassName() {
   return desktop_file;
 }
 
+// This function should be kept in sync with the copy in gtk2_util.cc.
 std::string GetDesktopName(base::Environment* env) {
 #if defined(GOOGLE_CHROME_BUILD)
   version_info::Channel product_channel(chrome::GetChannel());