From bb74f2ee6abeb9945643cc34decbd38b8dcb8e56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A3o=20Gottwald?= <dao@mozilla.com>
Date: Fri, 5 Oct 2018 15:43:53 +0200
Subject: [PATCH] Bug 1496476 - add tabContextChanged stub. r=standard8

---
 browser/components/urlbar/UrlbarController.jsm | 8 ++++++++
 browser/components/urlbar/UrlbarInput.jsm      | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/browser/components/urlbar/UrlbarController.jsm b/browser/components/urlbar/UrlbarController.jsm
index 1df8c9d05e8c..d87e04a5758e 100644
--- a/browser/components/urlbar/UrlbarController.jsm
+++ b/browser/components/urlbar/UrlbarController.jsm
@@ -146,6 +146,14 @@ class UrlbarController {
     this._listeners.delete(listener);
   }
 
+  /**
+   * When switching tabs, clear some internal caches to handle cases like
+   * backspace, autofill or repeated searches.
+   */
+  tabContextChanged() {
+    // TODO: implementation needed (bug 1496685)
+  }
+
   /**
    * Internal function to notify listeners of results.
    *
diff --git a/browser/components/urlbar/UrlbarInput.jsm b/browser/components/urlbar/UrlbarInput.jsm
index d311022640f1..775712867e55 100644
--- a/browser/components/urlbar/UrlbarInput.jsm
+++ b/browser/components/urlbar/UrlbarInput.jsm
@@ -414,6 +414,10 @@ class UrlbarInput {
   _on_scrollend(event) {
     this._updateTextOverflow();
   }
+
+  _on_TabSelect(event) {
+    this.controller.tabContextChanged();
+  }
 }
 
 /**