Add configs for CrOS 1P experimental multilingual input methods.

Bug: 1159297
Change-Id: I7f940cc3403c52e1cb2fe3eaf1f5f99d4284bd74
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2592851
Commit-Queue: Bao-Duy Tran <tranbaoduy@chromium.org>
Reviewed-by: My Nguyen <myy@chromium.org>
Reviewed-by: Darren Shen <shend@chromium.org>
Reviewed-by: Keith Lee <keithlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#838593}

chrome/browser/chromeos/input_method/component_extension_ime_manager_delegate_impl.cc

@@ -8,6 +8,7 @@
 
 #include <algorithm>
 
+#include "base/feature_list.h"
 #include "base/files/file_util.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
@@ -24,6 +25,7 @@
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/grit/browser_resources.h"
+#include "chromeos/constants/chromeos_features.h"
 #include "chromeos/ime/input_methods.h"
 #include "extensions/browser/extension_pref_value_map.h"
 #include "extensions/browser/extension_pref_value_map_factory.h"
@@ -386,6 +388,14 @@ void ComponentExtensionIMEManagerDelegateImpl::ReadComponentExtensionsInfo(
 
       ComponentExtensionEngine engine;
       ReadEngineComponent(component_ime, *dictionary, &engine);
+
+      if (base::StartsWith(engine.engine_id, "experimental_",
+                           base::CompareCase::SENSITIVE) &&
+          !base::FeatureList::IsEnabled(
+              chromeos::features::kMultilingualTyping)) {
+        continue;
+      }
+
       component_ime.engines.push_back(engine);
     }
     out_imes->push_back(component_ime);

chrome/browser/resources/chromeos/input_method/google_xkb_manifest.json

@@ -1529,6 +1529,166 @@
       "layouts": [
         "us"
       ]
+    },
+    {
+      "name": "Dutch with US keyboard",
+      "id": "experimental_layout-us_lang-nl",
+      "language": [
+        "nl"
+      ],
+      "layouts": [
+        "us"
+      ]
+    },
+    {
+      "name": "Spanish (Spain) with US keyboard",
+      "id": "experimental_layout-us_lang-es-ES",
+      "language": [
+        "es-ES"
+      ],
+      "layouts": [
+        "us"
+      ]
+    },
+    {
+      "name": "Swedish with US keyboard",
+      "id": "experimental_layout-us_lang-sv",
+      "language": [
+        "sv"
+      ],
+      "layouts": [
+        "us"
+      ]
+    },
+    {
+      "name": "French (France) with US keyboard",
+      "id": "experimental_layout-us_lang-fr-FR",
+      "language": [
+        "fr-FR"
+      ],
+      "layouts": [
+        "us"
+      ]
+    },
+    {
+      "name": "French (Canada) with US keyboard",
+      "id": "experimental_layout-us_lang-fr-CA",
+      "language": [
+        "fr-CA"
+      ],
+      "layouts": [
+        "us"
+      ]
+    },
+    {
+      "name": "Dutch with UK keyboard",
+      "id": "experimental_layout-gb(extd)_lang-nl",
+      "language": [
+        "nl"
+      ],
+      "layouts": [
+        "gb(extd)"
+      ]
+    },
+    {
+      "name": "Spanish (Spain) with UK keyboard",
+      "id": "experimental_layout-gb(extd)_lang-es-ES",
+      "language": [
+        "es-ES"
+      ],
+      "layouts": [
+        "gb(extd)"
+      ]
+    },
+    {
+      "name": "Swedish with UK keyboard",
+      "id": "experimental_layout-gb(extd)_lang-sv",
+      "language": [
+        "sv"
+      ],
+      "layouts": [
+        "gb(extd)"
+      ]
+    },
+    {
+      "name": "French (France) with UK keyboard",
+      "id": "experimental_layout-gb(extd)_lang-fr-FR",
+      "language": [
+        "fr-FR"
+      ],
+      "layouts": [
+        "gb(extd)"
+      ]
+    },
+    {
+      "name": "Swedish with Norwegian keyboard",
+      "id": "experimental_layout-no_lang-sv",
+      "language": [
+        "sv"
+      ],
+      "layouts": [
+        "no"
+      ]
+    },
+    {
+      "name": "Danish with Norwegian keyboard",
+      "id": "experimental_layout-no_lang-da",
+      "language": [
+        "da"
+      ],
+      "layouts": [
+        "no"
+      ]
+    },
+    {
+      "name": "Norwegian with Swedish keyboard",
+      "id": "experimental_layout-se_lang-no",
+      "language": [
+        "no"
+      ],
+      "layouts": [
+        "se"
+      ]
+    },
+    {
+      "name": "Danish with Swedish keyboard",
+      "id": "experimental_layout-se_lang-da",
+      "language": [
+        "da"
+      ],
+      "layouts": [
+        "se"
+      ]
+    },
+    {
+      "name": "Norwegian with Danish keyboard",
+      "id": "experimental_layout-dk_lang-no",
+      "language": [
+        "no"
+      ],
+      "layouts": [
+        "dk"
+      ]
+    },
+    {
+      "name": "Swedish with Danish keyboard",
+      "id": "experimental_layout-dk_lang-sv",
+      "language": [
+        "sv"
+      ],
+      "layouts": [
+        "dk"
+      ]
+    },
+    {
+      "name": "Catalan with Spanish keyboard",
+      "id": "experimental_layout-es_lang-ca",
+      "language": [
+        "ca"
+      ],
+      "layouts": [
+        "es"
+      ]
     }
   ],
   "manifest_version": 2,