Set the WM_CLASS property of X11 windows in Linux Aura build.

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 b19fd2e25fe784fa06fe97810c9a8e1607853803..820927b0528acb77cca0624ff3115e77c22b4160 100644
--- a/chrome/browser/shell_integration_linux.cc
+++ b/chrome/browser/shell_integration_linux.cc
@@ -545,6 +545,16 @@ std::vector<base::FilePath> GetDataSearchLocations(base::Environment* env) {
   return search_paths;
 }
 
+std::string GetProgramClassName() {
+  DCHECK(CommandLine::InitializedForCurrentProcess());
+  // Get the res_name component from argv[0].
+  const CommandLine* command_line = CommandLine::ForCurrentProcess();
+  std::string class_name = command_line->GetProgram().BaseName().value();
+  if (!class_name.empty())
+    class_name[0] = base::ToUpperASCII(class_name[0]);
+  return class_name;
+}
+
 std::string GetDesktopName(base::Environment* env) {
 #if defined(GOOGLE_CHROME_BUILD)
   return "google-chrome.desktop";
@@ -761,11 +771,9 @@ std::string GetDesktopFileContents(
   if (no_display)
     g_key_file_set_string(key_file, kDesktopEntry, "NoDisplay", "true");
 
-#if defined(TOOLKIT_GTK)
   std::string wmclass = web_app::GetWMClassFromAppName(app_name);
   g_key_file_set_string(key_file, kDesktopEntry, "StartupWMClass",
                         wmclass.c_str());
-#endif
 
   gsize length = 0;
   gchar* data_dump = g_key_file_to_data(key_file, &length, NULL);