New build flag system, convert Google Now flag

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 520 matching lines @@
 
       # Whether one-click signin is enabled or not.
       'enable_one_click_signin%': 0,
 
       # Whether to back up data before sync.
       'enable_pre_sync_backup%': 0,
 
       # Enable Chrome browser extensions
       'enable_extensions%': 1,
 
-      # Enable Google Now.
-      'enable_google_now%': 1,
-
       # Enable basic printing support and UI.
       'enable_basic_printing%': 1,
 
       # Enable printing with print preview. It does not imply
       # enable_basic_printing. It's possible to build Chrome with preview only.
       'enable_print_preview%': 1,
 
       # Set the version of CLD.
       #   1: (DEPRECATED! See http://crbug.com/528305 for info) Use only CLD1.
       #   2: Use only CLD2.
@@ skipping 242 matching lines @@
           'image_loader_extension%': 0,
         }],
 
         ['OS=="win" or OS=="mac" or (OS=="linux" and chromeos==0)', {
           'enable_one_click_signin%': 1,
           'enable_pre_sync_backup%': 1,
         }],
 
         ['OS=="android"', {
           'enable_extensions%': 0,
-          'enable_google_now%': 0,
           'cld2_table_size%': 0,
           'enable_themes%': 0,
           'remoting%': 0,
           'arm_neon%': 0,
           'arm_neon_optional%': 1,
           'enable_basic_printing%': 1,
           'enable_print_preview%': 0,
           'enable_task_manager%':0,
           'video_hole%': 1,
         }],
@@ skipping 26 matching lines @@
           'enable_hotwording%': 1,
         }],
 
         ['OS=="android"', {
           'enable_webrtc%': 1,
         }],
 
         ['OS=="ios"', {
           'disable_ftp_support%': 1,
           'enable_extensions%': 0,
-          'enable_google_now%': 0,
           'cld2_table_size%': 0,
           'enable_basic_printing%': 0,
           'enable_print_preview%': 0,
           'enable_session_service%': 0,
           'enable_spellcheck%': 0,
           'enable_themes%': 0,
           'enable_webrtc%': 0,
           'notifications%': 0,
           'remoting%': 0,
           'safe_browsing%': 2,
@@ skipping 332 matching lines @@
     'linux_use_bundled_gold%': '<(linux_use_bundled_gold)',
     'linux_use_bundled_binutils%': '<(linux_use_bundled_binutils)',
     'linux_use_gold_flags%': '<(linux_use_gold_flags)',
     'linux_use_debug_fission%': '<(linux_use_debug_fission)',
     'use_canvas_skia%': '<(use_canvas_skia)',
     'test_isolation_mode%': '<(test_isolation_mode)',
     'enable_basic_printing%': '<(enable_basic_printing)',
     'enable_print_preview%': '<(enable_print_preview)',
     'enable_spellcheck%': '<(enable_spellcheck)',
     'use_browser_spellchecker%': '<(use_browser_spellchecker)',
-    'enable_google_now%': '<(enable_google_now)',
     'cld_version%': '<(cld_version)',
     'cld2_table_size%': '<(cld2_table_size)',
     'enable_captive_portal_detection%': '<(enable_captive_portal_detection)',
     'disable_file_support%': '<(disable_file_support)',
     '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)',
@@ skipping 942 matching lines @@
       }],
       ['enable_themes==1', {
         'grit_defines': ['-D', 'enable_themes'],
       }],
       ['enable_app_list==1', {
         'grit_defines': ['-D', 'enable_app_list'],
       }],
       ['enable_settings_app==1', {
         'grit_defines': ['-D', 'enable_settings_app'],
       }],
-      ['enable_google_now==1', {
-        'grit_defines': ['-D', 'enable_google_now'],
-      }],
       ['use_concatenated_impulse_responses==1', {
         'grit_defines': ['-D', 'use_concatenated_impulse_responses'],
       }],
       ['enable_media_router==1', {
         'grit_defines': ['-D', 'enable_media_router'],
       }],
       ['enable_webrtc==1', {
         'grit_defines': ['-D', 'enable_webrtc'],
       }],
       ['enable_hangout_services_extension==1', {
@@ skipping 789 matching lines @@
         'defines': ['ENABLE_AUTOFILL_DIALOG=1'],
       }],
       ['enable_prod_wallet_service==1', {
         # In GN, this is set on the autofill tagets only. See
         # //components/autofill/core/browser:wallet_service
         'defines': ['ENABLE_PROD_WALLET_SERVICE=1'],
       }],
       ['enable_background==1', {
         'defines': ['ENABLE_BACKGROUND=1'],
       }],
-      ['enable_google_now==1', {
-        'defines': ['ENABLE_GOOGLE_NOW=1'],
-      }],
       ['enable_basic_printing==1 or enable_print_preview==1', {
         # Convenience define for ENABLE_BASIC_PRINTING || ENABLE_PRINT_PREVIEW.
         'defines': ['ENABLE_PRINTING=1'],
       }],
       ['enable_basic_printing==1', {
         # Enable basic printing support and UI.
         'defines': ['ENABLE_BASIC_PRINTING=1'],
       }],
       ['enable_print_preview==1', {
         # Enable printing with print preview.
@@ skipping 3363 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',
   },
 }