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

ui/base/x/x11_util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_BASE_X_X11_UTIL_H_
 #define UI_BASE_X_X11_UTIL_H_
 
 // This file declares utility functions for X11 (Linux only).
 //
 // These functions do not require the Xlib headers to be included (which is why
@@ skipping 193 matching lines @@
                                    const std::string& type,
                                    const std::vector<int>& value);
 UI_EXPORT bool SetAtomArrayProperty(XID window,
                                     const std::string& name,
                                     const std::string& type,
                                     const std::vector<Atom>& value);
 
 // Gets the X atom for default display corresponding to atom_name.
 Atom GetAtom(const char* atom_name);
 
+// Sets the WM_CLASS attribute for a given X11 window.
+UI_EXPORT void SetWindowClassHint(Display* display,
+                                  XID window,
+                                  std::string res_name,
+                                  std::string res_class);
+
 // Get |window|'s parent window, or None if |window| is the root window.
 UI_EXPORT XID GetParentWindow(XID window);
 
 // Walk up |window|'s hierarchy until we find a direct child of |root|.
 XID GetHighestAncestorWindow(XID window, XID root);
 
 static const int kAllDesktops = -1;
 // Queries the desktop |window| is on, kAllDesktops if sticky. Returns false if
 // property not found.
 bool GetWindowDesktop(XID window, int* desktop);
@@ skipping 198 matching lines @@
  private:
   ::Cursor cursor_;
   Display* display_;
 
   DISALLOW_COPY_AND_ASSIGN(XScopedCursor);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_X_X11_UTIL_H_