Bug 761023 - [devtb] Developer Toolbar should re-open automatically if browser closed with it open; r=jwalker

browser/app/profile/firefox.js

@@ -1024,6 +1024,7 @@ pref("devtools.errorconsole.enabled", false);
 
 // Developer toolbar and GCLI preferences
 pref("devtools.toolbar.enabled", false);
+pref("devtools.toolbar.visible", false);
 pref("devtools.gcli.allowSet", false);
 
 // Enable the Inspector

browser/base/content/browser.js

@@ -1397,6 +1397,11 @@ var gBrowserInit = {
 #ifdef MENUBAR_CAN_AUTOHIDE
       document.getElementById("appmenu_devToolbar").hidden = false;
 #endif
+
+      // Show the toolbar if it was previously visible
+      if (gPrefService.getBoolPref("devtools.toolbar.visible")) {
+        this.DeveloperToolbar.show();
+      }
     }
 
     // Enable Inspector?

browser/devtools/shared/DeveloperToolbar.jsm

@@ -122,6 +122,8 @@ DeveloperToolbar.prototype.show = function DT_show(aCallback)
     return;
   }
 
+  Services.prefs.setBoolPref("devtools.toolbar.visible", true);
+
   this._notify(NOTIFICATIONS.LOAD);
   this._pendingShowCallback = aCallback;
   this._pendingHide = false;
@@ -281,6 +283,8 @@ DeveloperToolbar.prototype.hide = function DT_hide()
 
   this._element.hidden = true;
 
+  Services.prefs.setBoolPref("devtools.toolbar.visible", false);
+
   this._doc.getElementById("Tools:DevToolbar").setAttribute("checked", "false");
   this.destroy();