Refactor language detection logic to allow non-static CLD data sources.

chrome/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_repack_locales.gni")
 import("//chrome/version.gni")
 
@@ skipping 224 matching lines @@
   if (!is_ios) {
     deps += [
       "//chrome/browser/devtools",
       "//chrome/plugin",
       "//chrome/renderer",
       "//chrome/utility",
       "//content/public/child",
       "//third_party/WebKit/public:blink_devtools_frontend_resources",
     ]
   }
+  if (cld_version == 0 || cld_version == 2) {
+    deps += [
+      "//third_party/cld_2:cld2_platform_impl",
+    ]
+  }
 }
 
 if (is_win) {
   # TODO(brettw) this duplicates "//chrome/common:version" which applies to
   # Linux.
   process_version("version_header") {
     # TODO(brettW) this should have more reduced visibility, but chrome/browser
     # currently depends on this.
     #visibility = [ ":*" ]
     source = "version.h.in"
@@ skipping 329 matching lines @@
     "//chrome/browser/ui",
     "//chrome/plugin",
     "//chrome/renderer",
     "//chrome/utility",
     "//components/enhanced_bookmarks",
     "//content/public/app:browser",
   ]
 }
 
 }