Add confirmation dialog when enabling a 3rd party IME.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index a12487eebdf7c2e57a4e762e74d7b4a17a5d1f12..2d5121baba7cbc8862e988a245e84a73f4ea52a4 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -413,6 +413,12 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
     { "securityTitle", IDS_OPTIONS_SECURITY_SECTION_TITLE },
     { "syncOverview", IDS_SYNC_OVERVIEW },
     { "syncButtonTextStart", IDS_SYNC_SETUP_BUTTON_LABEL },
+    { "thirdPartyImeConfirmEnable",
+      IDS_OPTIONS_SETTINGS_LANGUAGES_THIRD_PARTY_WARNING_CONFIRM_BUTTON },
+    { "thirdPartyImeConfirmDisable",
+      IDS_OPTIONS_SETTINGS_LANGUAGES_THIRD_PARTY_WARNING_CANCEL_BUTTON },
+    { "thirdPartyImeConfirmMessage",
+      IDS_OPTIONS_SETTINGS_LANGUAGES_THIRD_PARTY_WARNING_MESSAGE },
     { "timezone", IDS_OPTIONS_SETTINGS_TIMEZONE_DESCRIPTION },
     { "use24HourClock", IDS_OPTIONS_SETTINGS_USE_24HOUR_CLOCK_DESCRIPTION },
 #else
@@ -602,6 +608,9 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
       "consumerManagementEnabled",
       CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kEnableConsumerManagement));
+
+  RegisterTitle(values, "thirdPartyImeConfirmOverlay",
+                IDS_OPTIONS_SETTINGS_LANGUAGES_THIRD_PARTY_WARNING_TITLE);
 #endif
 }