Implement input type=color UI (gtk part)

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 2823 matching lines @@
         'browser/ui/gtk/bubble/bubble_gtk.h',
         'browser/ui/gtk/cairo_cached_surface.cc',
         'browser/ui/gtk/cairo_cached_surface.h',
         'browser/ui/gtk/certificate_dialogs.cc',
         'browser/ui/gtk/certificate_dialogs.h',
         'browser/ui/gtk/certificate_viewer.cc',
         'browser/ui/gtk/chrome_gtk_frame.cc',
         'browser/ui/gtk/chrome_gtk_frame.h',
         'browser/ui/gtk/collected_cookies_gtk.cc',
         'browser/ui/gtk/collected_cookies_gtk.h',
+        'browser/ui/gtk/color_chooser_gtk.cc',
         'browser/ui/gtk/constrained_html_delegate_gtk.cc',
         'browser/ui/gtk/constrained_window_gtk.cc',
         'browser/ui/gtk/constrained_window_gtk.h',
         'browser/ui/gtk/content_setting_bubble_gtk.cc',
         'browser/ui/gtk/content_setting_bubble_gtk.h',
         'browser/ui/gtk/create_application_shortcuts_dialog_gtk.cc',
         'browser/ui/gtk/create_application_shortcuts_dialog_gtk.h',
         'browser/ui/gtk/crypto_module_password_dialog.cc',
         'browser/ui/gtk/custom_button.cc',
         'browser/ui/gtk/custom_button.h',
@@ skipping 2214 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }