Creates a flag to enable/disable spellchecker.

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 322 matching lines @@
 
       # Enable browser automation.
       'enable_automation%': 1,
 
       # Enable Google Now.
       'enable_google_now%': 1,
 
       # Enable printing support and UI.
       'enable_printing%': 1,
 
+      # Enable spell checker.
+      'enable_spellcheck%': 1,
+
       # Webrtc compilation is enabled by default. Set to 0 to disable.
       'enable_webrtc%': 1,
 
       # Enables use of the session service, which is enabled by default.
       # Support for disabling depends on the platform.
       'enable_session_service%': 1,
 
       # Enables theme support, which is enabled by default.  Support for
       # disabling depends on the platform.
       'enable_themes%': 1,
@@ skipping 151 matching lines @@
 
         ['OS=="win" or OS=="mac" or (OS=="linux" and chromeos==0)', {
           'enable_one_click_signin%': 1,
         }],
 
         ['OS=="android"', {
           'enable_automation%': 0,
           'enable_extensions%': 0,
           'enable_google_now%': 0,
           'enable_printing%': 0,
+          'enable_spellcheck%': 0,
           'enable_themes%': 0,
           'proprietary_codecs%': 1,
           'remoting%': 0,
           'arm_neon%': 0,
           'arm_neon_optional%': 1,
           'native_discardable_memory%': 1,
           'native_memory_pressure_signals%': 1,
         }],
 
         # Enable autofill dialog for Android and Views-enabled platforms for now.
@@ skipping 286 matching lines @@
     'enable_background%': '<(enable_background)',
     'linux_use_gold_binary%': '<(linux_use_gold_binary)',
     'linux_use_gold_flags%': '<(linux_use_gold_flags)',
     'linux_use_libgps%': '<(linux_use_libgps)',
     'use_canvas_skia%': '<(use_canvas_skia)',
     'test_isolation_mode%': '<(test_isolation_mode)',
     'test_isolation_outdir%': '<(test_isolation_outdir)',
     'test_isolation_fail_on_missing': '<(test_isolation_fail_on_missing)',
     'enable_automation%': '<(enable_automation)',
     'enable_printing%': '<(enable_printing)',
+    'enable_spellcheck%': '<(enable_spellcheck)',
     'enable_google_now%': '<(enable_google_now)',
     'enable_captive_portal_detection%': '<(enable_captive_portal_detection)',
     'disable_ftp_support%': '<(disable_ftp_support)',
     'enable_task_manager%': '<(enable_task_manager)',
     'sas_dll_path%': '<(sas_dll_path)',
     'wix_path%': '<(wix_path)',
     'use_libjpeg_turbo%': '<(use_libjpeg_turbo)',
     'use_system_libjpeg%': '<(use_system_libjpeg)',
     'android_webview_build%': '<(android_webview_build)',
     'gyp_managed_install%': 0,
@@ skipping 1392 matching lines @@
       }],
       ['enable_automation==1', {
         'defines': ['ENABLE_AUTOMATION=1'],
       }],
       ['enable_google_now==1', {
         'defines': ['ENABLE_GOOGLE_NOW=1'],
       }],
       ['enable_printing==1', {
         'defines': ['ENABLE_PRINTING=1'],
       }],
+      ['enable_spellcheck==1', {
+        'defines': ['ENABLE_SPELLCHECK=1'],
+      }],
       ['enable_captive_portal_detection==1', {
         'defines': ['ENABLE_CAPTIVE_PORTAL_DETECTION=1'],
       }],
       ['enable_app_list==1', {
         'defines': ['ENABLE_APP_LIST=1'],
       }],
       ['enable_settings_app==1', {
         'defines': ['ENABLE_SETTINGS_APP=1'],
       }],
       ['disable_ftp_support==1', {
@@ skipping 2406 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',
   },
 }