Add a switch to control which CLD2 tables are used at build time.

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 403 matching lines @@
       # Metafile (e.g. usually a PDF or EMF) and disables print preview, cloud
       # print, UI, etc.
       'enable_printing%': 1,
 
       # Set the version of CLD.
       #   0: Don't specify the version. This option is for the Finch testing.
       #   1: Use only CLD1.
       #   2: Use only CLD2.
       'cld_version%': 2,
 
+      # For CLD2, the size of the tables that should be included in the build
+      # Only evaluated if cld_version == 2.
+      # See third_party/cld_2/cld_2.gyp for more information.
+      #   0: Small tables, lower accuracy
+      #   1: Medium tables, medium accuracy
+      #   2: Large tables, high accuracy
+      'cld2_table_size%': 2,
+
       # 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,
 
@@ skipping 533 matching lines @@
     'linux_use_gold_flags%': '<(linux_use_gold_flags)',
     '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)',
     'cld_version%': '<(cld_version)',
+    'cld2_table_size%': '<(cld2_table_size)',
     '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)',
     'icu_use_data_file_flag%': '<(icu_use_data_file_flag)',
     'gyp_managed_install%': 0,
@@ skipping 4071 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',
   },
 }