Add a component updater for the CLD2 data file.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index ebec615bcbf8ba4d694436c105467d1664c347df..67537372a3b70984bbf8d59233c4fec825ac12b7 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -450,6 +450,14 @@
       #      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,
 
@@ -653,8 +661,9 @@
         ['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,
@@ -1024,6 +1033,7 @@
     '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)',
@@ -2562,6 +2572,9 @@
       ['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'],
       }],