Add gn implementation for //components/translate/ios/browser.

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index a0d7f94bf0085a5fcb5c817ed09d042bb7fb6dce..d78636a57e53614505c17b4e4f1376edfa3d1b35 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -53,6 +53,8 @@ group("all_components") {
     "//components/pref_registry",
     "//components/omnibox/browser",
     "//components/infobars/core",
+    "//components/translate/core/browser",
+    "//components/translate/core/common",
     "//components/version_ui",
     "//components/os_crypt",
   ]
@@ -141,8 +143,6 @@ group("all_components") {
       "//components/translate/content/browser",
       "//components/translate/content/common",
       "//components/translate/content/renderer",
-      "//components/translate/core/browser",
-      "//components/translate/core/common",
       "//components/ui/zoom",
       "//components/update_client",
       "//components/upload_list",
@@ -223,6 +223,7 @@ group("all_components") {
       "//components/dom_distiller/ios",
       "//components/history/ios/browser",
       "//components/keyed_service/ios",
+      "//components/translate/ios/browser",
       "//components/webp_transcode",
     ]
   }
@@ -351,6 +352,9 @@ test("components_unittests") {
     "//components/undo:unit_tests",
     "//components/leveldb_proto:unit_tests",
     "//components/suggestions:unit_tests",
+    "//components/translate/core/browser:unit_tests",
+    "//components/translate/core/common:unit_tests",
+    "//components/translate/core/language_detection:unit_tests",
     "//components/omnibox/browser:unit_tests",
     "//components/os_crypt:unit_tests",
   ]
@@ -425,9 +429,6 @@ test("components_unittests") {
       "//components/sync_bookmarks:unit_tests",
       "//components/sync_driver:unit_tests",
       "//components/sync_sessions:unit_tests",
-      "//components/translate/core/browser:unit_tests",
-      "//components/translate/core/common:unit_tests",
-      "//components/translate/core/language_detection:unit_tests",
       "//components/url_formatter:unit_tests",
       "//components/url_matcher:unit_tests",
       "//components/update_client:unit_tests",
@@ -497,7 +498,10 @@ test("components_unittests") {
       ]
     }
   } else {
-    deps += [ "//components/webp_transcode:unit_tests" ]
+    deps += [
+      "//components/translate/ios/browser:unit_tests",
+      "//components/webp_transcode:unit_tests",
+    ]
   }
 
   if (toolkit_views) {