Remove ibus checking script from views.gyp and add use_ibus=1 option

build/common.gypi

 # Copyright (c) 2010 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 523 matching lines @@
       }],
       ['use_third_party_translations==1', {
         'grit_defines': ['-D', 'use_third_party_translations'],
         'locales': ['ast', 'eu', 'gl', 'ka', 'ku', 'ug'],
       }],
 
       ['clang_use_chrome_plugins==1', {
         'clang_chrome_plugins_flags':
             '<!(<(DEPTH)/tools/clang/scripts/plugin_flags.sh)',
       }],
+
+      # Set 1 to enable ibus support. Currently it is only supported in touchui.
+      ['touchui==1 and chromeos==1', {
+        'use_ibus%': 1,
+      }, {
+        'use_ibus%': 0,
+      }]
     ],
   },
   'target_defaults': {
     'variables': {
       # The condition that operates on chromium_code is in a target_conditions
       # section, and will not have access to the default fallback value of
       # chromium_code at the top of this file, or to the chromium_code
       # variable placed at the root variables scope of .gyp files, because
       # those variables are not set at target scope.  As a workaround,
       # if chromium_code is not set at target scope, define it in target scope
@@ skipping 1136 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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