Fixing dependencies of the reverted commit of the chrome.i18n.detectLanguage API. Implementation on the renderer side

Please, see

Original CL: https://codereview.chromium.org/1208993011/
Reverted: https://codereview.chromium.org/1244343002/

Temp CL we used to figure out deps: https://codereview.chromium.org/1268813004/

Initial patch for detectLanguage API implementation

BUG=517628

Review URL: https://codereview.chromium.org/1273903002

Cr-Commit-Position: refs/heads/master@{#345134}

1 files changed, 8 insertions, 0 deletions

diff --git a/extensions/renderer/resources/i18n_custom_bindings.js b/extensions/renderer/resources/i18n_custom_bindings.js
index 38570f3..4ee5206 100644
--- a/extensions/renderer/resources/i18n_custom_bindings.js
+++ b/extensions/renderer/resources/i18n_custom_bindings.js
@@ -9,6 +9,7 @@ var binding = require('binding').Binding.create('i18n');
 var i18nNatives = requireNative('i18n');
 var GetL10nMessage = i18nNatives.GetL10nMessage;
 var GetL10nUILanguage = i18nNatives.GetL10nUILanguage;
+var DetectTextLanguage = i18nNatives.DetectTextLanguage;
 
 binding.registerCustomHook(function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
@@ -36,6 +37,13 @@ binding.registerCustomHook(function(bindingsAPI, extensionId) {
   apiFunctions.setHandleRequest('getUILanguage', function() {
     return GetL10nUILanguage();
   });
+
+  apiFunctions.setHandleRequest('detectLanguage', function(text, callback) {
+    window.setTimeout(function() {
+      var response = DetectTextLanguage(text);
+      callback(response);
+    }, 0);
+  });
 });
 
 exports.binding = binding.generate();