Drop support for Compact Language Detector v1.

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 7828eb1492df3361573bbee4d77eabdcaa6bd73b..b9dc287e3e37aa9d8e6df250498f4bd93499e898 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -305,6 +305,7 @@ if (is_mac || is_win) {
       ":browser_dependencies",
       "//build/config/sanitizers:deps",
       "//chrome/common:features",
+      "//third_party/cld_2",
     ]
     if (is_win) {
       output_name = "chrome"
@@ -350,10 +351,6 @@ if (is_mac || is_win) {
       ]
     }
 
-    if (cld_version == 2) {
-      deps += [ "//third_party/cld_2" ]
-    }
-
     if (is_mac) {
       #['OS=="mac" and component!="shared_library"', {  TODO(GYP)
       #  'includes': [ 'chrome_dll_bundle.gypi' ],
@@ -492,6 +489,7 @@ group("child_dependencies") {
   public_deps = [
     "//chrome/common",
     "//sync",
+    "//third_party/cld_2:cld2_platform_impl",
   ]
   if (!is_ios) {
     public_deps += [
@@ -504,9 +502,6 @@ group("child_dependencies") {
       "//third_party/WebKit/public:blink_devtools_frontend_resources",
     ]
   }
-  if (cld_version == 2) {
-    public_deps += [ "//third_party/cld_2:cld2_platform_impl" ]
-  }
 
   if (enable_nacl) {
     public_deps += [ "//components/nacl/renderer/plugin:nacl_trusted_plugin" ]