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

chrome/browser/shell_integration.cc

Index: chrome/browser/shell_integration.cc
diff --git a/chrome/browser/shell_integration.cc b/chrome/browser/shell_integration.cc
index 505d87b56d54ef15bfec2f59b5221461a70480be..7457ced3ac9817e04492e287535819a529a6ea2c 100644
--- a/chrome/browser/shell_integration.cc
+++ b/chrome/browser/shell_integration.cc
@@ -108,6 +108,16 @@ CommandLine ShellIntegration::CommandLineArgsForLauncher(
   return new_cmd_line;
 }
 
+std::string ShellIntegration::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;
+}
+
 #if !defined(OS_WIN)
 // static
 bool ShellIntegration::SetAsDefaultBrowserInteractive() {