Add a component updater for the CLD2 data 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 432 matching lines @@
       #   1: Medium tables, medium accuracy
       #   2: Large tables, high accuracy
       'cld2_table_size%': 2,
 
       # Set the way CLD is compiled. Only evaluated if cld_version == 2.
       #   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.
       'cld2_dynamic%': 0,
 
+      # Whether CLD2 is a component. Only evaluated if cld_version == 2 and
+      # cld2_dynamic == 1.
+      #   0: Not a component. If cld2_dynamic == 1, it is up to the distribution
+      #      to ensure that the data file is provided if desired.
+      #   1: Componentized. CLD data should be obtained via the Component
+      #      Updater.
+      'cld2_is_component%': 0,
+
       # 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 183 matching lines @@
           'image_loader_extension%': 0,
         }],
 
         ['OS=="win" or OS=="mac" or (OS=="linux" and chromeos==0)', {
           'enable_one_click_signin%': 1,
         }],
 
         ['OS=="android"', {
           'enable_extensions%': 0,
           'enable_google_now%': 0,
-          'cld_version%': 1,
-          'cld2_dynamic%': 0,
+          'cld_version%': 2,

[Andrew Hayden (chromium.org), 2014/04/18 08:11:17]

These bits should be left unchanged for this submit, as we can't turn this on
till we also upgrade the test infrastructure to be able to inject the data file
for all the tests that already exist that aren't related to this functionality
at all.

+          'cld2_dynamic%': 1,
+          'cld2_is_component%': 1,
           '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 349 matching lines @@
     '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_printing%': '<(enable_printing)',
     'enable_spellcheck%': '<(enable_spellcheck)',
     'enable_google_now%': '<(enable_google_now)',
     'cld_version%': '<(cld_version)',
     'cld2_table_size%': '<(cld2_table_size)',
     'cld2_dynamic%': '<(cld2_dynamic)',
+    'cld2_is_component%': '<(cld2_is_component)',
     '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 1518 matching lines @@
       }],
       ['enable_google_now==1', {
         'defines': ['ENABLE_GOOGLE_NOW=1'],
       }],
       ['cld_version!=0', {
         'defines': ['CLD_VERSION=<(cld_version)'],
       }],
       ['cld2_dynamic!=0', {
         'defines': ['CLD2_DYNAMIC_MODE=1'],
       }],
+      ['cld2_is_component!=0', {
+        'defines': ['CLD2_IS_COMPONENT=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 2645 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',
   },
 }