diff --git a/common/action-manager.js b/common/action-manager.js
index 9ff3e6dcfb..2e742c5d04 100644
--- a/common/action-manager.js
+++ b/common/action-manager.js
@@ -23,6 +23,10 @@ const am = new ActionManager([
   "RECEIVE_CURRENT_ENGINE",
   "SEARCH_STATE_REQUEST",
   "SEARCH_STATE_RESPONSE",
+  "SEARCH_UISTRINGS_REQUEST",
+  "SEARCH_UISTRINGS_RESPONSE",
+  "SEARCH_SUGGESTIONS_REQUEST",
+  "SEARCH_SUGGESTIONS_RESPONSE",
   "NOTIFY_ROUTE_CHANGE",
   "NOTIFY_PERFORMANCE",
   "NOTIFY_USER_EVENT"
diff --git a/lib/ActivityStreams.js b/lib/ActivityStreams.js
index 6be14a71ec..39e2a51966 100644
--- a/lib/ActivityStreams.js
+++ b/lib/ActivityStreams.js
@@ -182,6 +182,26 @@ ActivityStreams.prototype = {
           SearchProvider.search.performSearch(browser, searchData);
         });
         break;
+      case am.type("SEARCH_UISTRINGS_REQUEST"): // eslint-disable-line
+        const strings = SearchProvider.search.UIStrings;
+        this.send(am.actions.Response("SEARCH_UISTRINGS_RESPONSE", strings), worker);
+        break;
+      case am.type("SEARCH_SUGGESTIONS_REQUEST"):
+        Task.spawn(function*() {
+          try {
+            let win = windowMediator.getMostRecentWindow("navigator:browser");
+            let gBrowser = win.getBrowser();
+            let browser = gBrowser.selectedBrowser;
+            let {engineName, searchString} = msg.data;
+            const suggestions = yield SearchProvider.search.asyncGetSuggestions(engineName, searchString, browser);
+            if (suggestions) {
+              this.send(am.actions.Response("SEARCH_STATE_RESPONSE", suggestions), worker);
+            }
+          } catch (e) {
+            Cu.reportError(e);
+          }
+        });
+        break;
     }
   },
 
@@ -249,6 +269,8 @@ ActivityStreams.prototype = {
     this.on(am.type("NOTIFY_UNBLOCK_ALL"), this._respondToPlacesRequests);
     this.on(am.type("NOTIFY_BOOKMARK_DELETE"), this._respondToPlacesRequests);
     this.on(am.type("SEARCH_STATE_REQUEST"), this._respondToSearchRequests);
+    this.on(am.type("SEARCH_SUGGESTIONS_REQUEST"), this._respondToSearchRequests);
+    this.on(am.type("SEARCH_UISTRINGS_REQUEST"), this._respondToSearchRequests);
     this.on(am.type("NOTIFY_PERFORM_SEARCH"), this._respondToSearchRequests);
     this.on(am.type("NOTIFY_ROUTE_CHANGE"), this._onRouteChange);
     this.on(am.type("NOTIFY_USER_EVENT"), this._handleUserEvent);
@@ -276,6 +298,8 @@ ActivityStreams.prototype = {
     this.off(am.type("NOTIFY_UNBLOCK_ALL"), this._respondToPlacesRequests);
     this.off(am.type("NOTIFY_BOOKMARK_DELETE"), this._respondToPlacesRequests);
     this.off(am.type("SEARCH_STATE_REQUEST"), this._respondToSearchRequests);
+    this.off(am.type("SEARCH_SUGGESTIONS_REQUEST"), this._respondToSearchRequests);
+    this.off(am.type("SEARCH_UISTRINGS_REQUEST"), this._respondToSearchRequests);
     this.off(am.type("NOTIFY_PERFORM_SEARCH"), this._respondToSearchRequests);
     this.off(am.type("NOTIFY_ROUTE_CHANGE"), this._onRouteChange);
     this.off(am.type("NOTIFY_USER_EVENT"), this._handleUserEvent);
diff --git a/lib/SearchProvider.js b/lib/SearchProvider.js
index ad389fd093..3b8ab4521b 100644
--- a/lib/SearchProvider.js
+++ b/lib/SearchProvider.js
@@ -50,6 +50,10 @@ NewTabSearchProvider.prototype = {
     Services.obs.removeObserver(this, CURRENT_ENGINE, true);
   },
 
+  get UIStrings() {
+    return ContentSearch.searchSuggestionUIStrings;
+  },
+
   get state() {
     return Task.spawn(function*() {
       let state;
@@ -68,6 +72,22 @@ NewTabSearchProvider.prototype = {
     }.bind(this));
   },
 
+  asyncGetSuggestions: Task.async(function*(engineName, searchString, browser) {
+    let suggestions;
+    try {
+      if ("getSuggestions" in ContentSearch) {
+        // ContentSearch.jsm from Firefox 49+
+        suggestions = yield ContentSearch.getSuggestions(engineName, searchString, browser);
+      } else {
+        // legacy ContentSearch - cannot retrieve suggestions
+        suggestions = null;
+      }
+      return suggestions;
+    } catch (e) {
+      Cu.reportError(e);
+    }
+  }),
+
   performSearch(browser, searchData) {
    ContentSearch._onMessageSearch({target: browser}, searchData);
  },