Make it possible to read CLD data from a file

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 412 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,
 
+      # Set the way CLD is compiled
+      #   0: static, language scoring tables compiled into the binary
+      #   1: dynamic, language scoring tables live in a data file that must be loaded at runtime
+      'cld_dynamic%': 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,
 
@@ skipping 170 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,
-          'cld_version%': 1,
+          # 'cld_version%': 1,
+          # to switch to dynamic CLD2:
+          # 'cld_version%': 2,
+          # 'cld_dynamic%': 1,
+          'cld_version%': 2,
+          'cld_dynamic%': 1,

[Andrew Hayden (chromium.org), 2014/03/11 17:03:10]

Make sure to disable dynamic mode on all platforms prior to checkin. We want to
start enabling this platform-by-platform as we get the packaging of the CLD data
file done, but we don't need to wait on file packaging to check the
functionality in behind disabled compiler flags.

           'enable_spellcheck%': 0,
           'enable_themes%': 0,
           'remoting%': 0,
           'arm_neon%': 0,
           'arm_neon_optional%': 1,
           'native_discardable_memory%': 1,
           'native_memory_pressure_signals%': 1,
           'enable_printing%': 2,
           'enable_task_manager%':0,
            # Set to 1 once we have a notification system for Android.
@@ skipping 23 matching lines @@
         ['OS=="android"', {
           'enable_webrtc%': 1,
         }],
 
         ['OS=="ios"', {
           'disable_ftp_support%': 1,
           'enable_automation%': 0,
           'enable_extensions%': 0,
           'enable_google_now%': 0,
           'cld_version%': 1,
+          'cld_dynamic%': 0,
           'enable_printing%': 0,
           'enable_session_service%': 0,
           'enable_themes%': 0,
           'enable_webrtc%': 0,
           'notifications%': 0,
           'remoting%': 0,
           'safe_browsing%': 0,
           'enable_managed_users%': 0,
           'enable_task_manager%': 0,
         }],
@@ skipping 277 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)',
+    'cld_dynamic%': '<(cld_dynamic)',
     '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,
     'create_standalone_apk%': 1,
@@ skipping 1464 matching lines @@
       }],
       ['enable_automation==1', {
         'defines': ['ENABLE_AUTOMATION=1'],
       }],
       ['enable_google_now==1', {
         'defines': ['ENABLE_GOOGLE_NOW=1'],
       }],
       ['cld_version!=0', {
         'defines': ['CLD_VERSION=<(cld_version)'],
       }],
+      ['cld_dynamic!=0', {
+        'defines': ['CLD2_DYNAMIC_MODE=1'],
+      }],
       ['enable_printing==1', {
         'defines': ['ENABLE_FULL_PRINTING=1', 'ENABLE_PRINTING=1'],
       }],
       ['enable_printing==2', {
         'defines': ['ENABLE_PRINTING=1'],
       }],
       ['enable_spellcheck==1', {
         'defines': ['ENABLE_SPELLCHECK=1'],
       }],
       ['enable_captive_portal_detection==1', {
@@ skipping 2575 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',
   },
 }