Add use_clibpard_aurax11 gyp flag to allow chromeos-chrome to access X11 Clipboard

build/common.gypi

 # 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 17 matching lines @@
             'use_ash%': 0,
 
             # Whether or not we are using CRAS, the ChromeOS Audio Server.
             'use_cras%': 0,
 
             # Use a raw surface abstraction.
             'use_ozone%': 0,
 
             # Configure the build for small devices. See crbug.com/318413
             'embedded%': 0,
+
+            # Use aurax11 for clipboard implementation. This is true on linux_aura.
+            'use_clipboard_aurax11%': 0,

[tony, 2013/12/12 17:38:20]

You don't need to define this at the deepest nesting level.  You only need to
define it one level above when you use a conditional.

           },
           # Copy conditionally-set variables out one scope.
           'chromeos%': '<(chromeos)',
           'use_aura%': '<(use_aura)',
           'use_ash%': '<(use_ash)',
           'use_cras%': '<(use_cras)',
           'use_ozone%': '<(use_ozone)',
           'embedded%': '<(embedded)',
+          'use_clipboard_aurax11%': '<(use_clipboard_aurax11)',
 
           # Whether we are using Views Toolkit
           'toolkit_views%': 0,
 
           # Use OpenSSL instead of NSS. Under development: see http://crbug.com/62803
           'use_openssl%': 0,
 
           # Disable viewport meta tag by default.
           'enable_viewport%': 0,
 
@@ skipping 59 matching lines @@
             }],
           ],
         },
         # Copy conditionally-set variables out one scope.
         'chromeos%': '<(chromeos)',
         'desktop_linux%': '<(desktop_linux)',
         'use_aura%': '<(use_aura)',
         'use_ash%': '<(use_ash)',
         'use_cras%': '<(use_cras)',
         'use_ozone%': '<(use_ozone)',
+        'use_clipboard_aurax11%': '<(use_clipboard_aurax11)',

[tony, 2013/12/12 17:38:20]

I think this is the first depth you need to define the value to 0.  I would move
it down next to the other values declared at this level.

         'embedded%': '<(embedded)',
         'use_openssl%': '<(use_openssl)',
         'enable_viewport%': '<(enable_viewport)',
         'enable_hidpi%': '<(enable_hidpi)',
         'enable_touch_ui%': '<(enable_touch_ui)',
         'buildtype%': '<(buildtype)',
         'branding%': '<(branding)',
         'host_arch%': '<(host_arch)',
 
         # Default architecture we're building for is the architecture we're
@@ skipping 94 matching lines @@
       'host_arch%': '<(host_arch)',
       'target_arch%': '<(target_arch)',
       'toolkit_views%': '<(toolkit_views)',
       'toolkit_uses_gtk%': '<(toolkit_uses_gtk)',
       'desktop_linux%': '<(desktop_linux)',
       'use_aura%': '<(use_aura)',
       'use_ash%': '<(use_ash)',
       'use_cras%': '<(use_cras)',
       'use_ozone%': '<(use_ozone)',
       'use_ozone_evdev%': '<(use_ozone_evdev)',
+      'use_clipboard_aurax11%': '<(use_clipboard_aurax11)',
       'embedded%': '<(embedded)',
       'use_openssl%': '<(use_openssl)',
       'enable_viewport%': '<(enable_viewport)',
       'enable_hidpi%': '<(enable_hidpi)',
       'enable_touch_ui%': '<(enable_touch_ui)',
       'android_webview_build%': '<(android_webview_build)',
       'google_tv%': '<(google_tv)',
       'use_goma%': '<(use_goma)',
       'gomadir%': '<(gomadir)',
       'enable_app_list%': '<(enable_app_list)',
@@ skipping 292 matching lines @@
           'use_udev%': 0,
         }],
 
         # Flags to use X11 on non-Mac POSIX platforms.
         ['OS=="win" or OS=="mac" or OS=="ios" or OS=="android" or use_ozone==1', {
           'use_x11%': 0,
         }, {
           'use_x11%': 1,
         }],
 
+        ['OS=="linux" and use_aura==1 and chromeos==0', {
+          'use_clipboard_aurax11%': 1,
+        }],
+
         # Flags to use glib.
         ['OS=="win" or OS=="mac" or OS=="ios" or OS=="android" or embedded==1', {
           'use_glib%': 0,
         }, {
           'use_glib%': 1,
         }],
 
         # Flags to use pango and cairo.
         ['OS=="win" or OS=="mac" or OS=="ios" or OS=="android" or embedded==1', {
           'use_pango%': 0,
@@ skipping 320 matching lines @@
     'use_nss%': '<(use_nss)',
     'use_udev%': '<(use_udev)',
     'os_bsd%': '<(os_bsd)',
     'os_posix%': '<(os_posix)',
     'use_dbus%': '<(use_dbus)',
     'use_glib%': '<(use_glib)',
     'use_pango%': '<(use_pango)',
     'use_cairo%': '<(use_cairo)',
     'use_ozone%': '<(use_ozone)',
     'use_ozone_evdev%': '<(use_ozone_evdev)',
+    'use_clipboard_aurax11%': '<(use_clipboard_aurax11)',
     'toolkit_uses_gtk%': '<(toolkit_uses_gtk)',
     'desktop_linux%': '<(desktop_linux)',
     'use_x11%': '<(use_x11)',
     'use_gnome_keyring%': '<(use_gnome_keyring)',
     'linux_fpic%': '<(linux_fpic)',
     'chromeos%': '<(chromeos)',
     'enable_viewport%': '<(enable_viewport)',
     'enable_hidpi%': '<(enable_hidpi)',
     'enable_touch_ui%': '<(enable_touch_ui)',
     'use_xi2_mt%':'<(use_xi2_mt)',
@@ skipping 1225 matching lines @@
       }],
       ['use_libjpeg_turbo==1', {
         'defines': ['USE_LIBJPEG_TURBO=1'],
       }],
       ['use_nss==1', {
         'defines': ['USE_NSS=1'],
       }],
       ['use_x11==1', {
         'defines': ['USE_X11=1'],
       }],
+      ['use_clipboard_aurax11==1', {
+        'defines': ['USE_CLIPBOARD_AURAX11=1'],
+      }],
       ['enable_one_click_signin==1', {
         'defines': ['ENABLE_ONE_CLICK_SIGNIN'],
       }],
       ['toolkit_uses_gtk==1 and toolkit_views==0', {
         # TODO(erg): We are progressively sealing up use of deprecated features
         # in gtk in preparation for an eventual porting to gtk3.
         'defines': ['GTK_DISABLE_SINGLE_INCLUDES=1'],
       }],
       ['chromeos==1', {
         'defines': ['OS_CHROMEOS=1'],
@@ skipping 2661 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }