Make FTS2 inclusion in SQLite optional

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 1599 matching lines @@
           }],
         ],
       }],  # os_posix==1 and OS!="mac" and OS!="ios"
       ['OS=="ios"', {
         'disable_nacl%': 1,
         'enable_background%': 0,
         'icu_use_data_file_flag%': 1,
         'enable_web_speech%': 0,
         'use_system_libxml%': 1,
         'use_system_sqlite%': 1,
+        'sqlite_enable_fts2%': 0,
         'locales==': [
           'ar', 'ca', 'cs', 'da', 'de', 'el', 'en-GB', 'en-US', 'es', 'es-MX',
           'fi', 'fr', 'he', 'hi', 'hr', 'hu', 'id', 'it', 'ja', 'ko', 'ms',
           'nb', 'nl', 'pl', 'pt', 'pt-PT', 'ro', 'ru', 'sk', 'sv', 'th', 'tr',
           'uk', 'vi', 'zh-CN', 'zh-TW',
         ],
 
         # The Mac SDK is set for iOS builds and passed through to Mac
         # sub-builds. This allows the Mac sub-build SDK in an iOS build to be
         # overridden from the command line the same way it is for a Mac build.
@@ skipping 699 matching lines @@
       ['((OS=="linux" or OS=="android") and '
            '(target_arch=="ia32" or target_arch=="x64" or '
              'target_arch=="arm" or target_arch=="mipsel" or '
              'target_arch=="arm64"))', {
          'use_seccomp_bpf%': 1,
       }, {
          'use_seccomp_bpf%': 0,
       }],
     ],
 
+    # fts2 is used for older history files, so we're signed on for keeping our
+    # version up-to-date.
+    'sqlite_enable_fts2%': 1,

[erikwright (departed), 2014/09/30 14:08:44]

I think there should be a variable named "support_pre_MXX_history_files". If
that's set, turn on 'sqlite_enable_fts2'.

A bit of archaeology will be required to find out what XX should be.

+
     # The path to the ANGLE library.
     'angle_path': '<(DEPTH)/third_party/angle',
 
     # List of default apps to install in new profiles.  The first list contains
     # the source files as found in svn.  The second list, used only for linux,
     # contains the destination location for each of the files.  When a crx
     # is added or removed from the list, the chrome/browser/resources/
     # default_apps/external_extensions.json file must also be updated.
     'default_apps_list': [
       'browser/resources/default_apps/external_extensions.json',
@@ skipping 3425 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',
   },
 }