diff --git a/application/basilisk/base/content/browser-menubar.inc b/application/basilisk/base/content/browser-menubar.inc
index 0af0cc1c7..042a2e8a8 100644
--- a/application/basilisk/base/content/browser-menubar.inc
+++ b/application/basilisk/base/content/browser-menubar.inc
@@ -314,11 +314,13 @@
                           key="key_sanitize"
                           command="Tools:Sanitize"/>
                 <menuseparator id="sanitizeSeparator"/>
+#ifdef MOZ_SERVICES_SYNC
                 <menuitem id="sync-tabs-menuitem"
                           class="syncTabsMenuItem"
-                          label="&syncTabsMenu3.label;"
+                          label="&syncTabsMenu2.label;"
                           oncommand="BrowserOpenSyncTabs();"
-                          hidden="true"/>
+                          disabled="true"/>
+#endif
                 <menuitem id="historyRestoreLastSession"
                           label="&historyRestoreLastSession.label;"
                           command="Browser:RestoreLastSession"/>
diff --git a/application/basilisk/base/content/browser-places.js b/application/basilisk/base/content/browser-places.js
index 83c737977..87734140f 100644
--- a/application/basilisk/base/content/browser-places.js
+++ b/application/basilisk/base/content/browser-places.js
@@ -804,18 +804,29 @@ HistoryMenu.prototype = {
   },
 
   toggleTabsFromOtherComputers: function PHM_toggleTabsFromOtherComputers() {
+    // This is a no-op if MOZ_SERVICES_SYNC isn't defined
+#ifdef MOZ_SERVICES_SYNC
     // Enable/disable the Tabs From Other Computers menu. Some of the menus handled
     // by HistoryMenu do not have this menuitem.
     let menuitem = this._rootElt.getElementsByClassName("syncTabsMenuItem")[0];
     if (!menuitem)
       return;
 
-    if (!PlacesUIUtils.shouldShowTabsFromOtherComputersMenuitem()) {
+    // If Sync isn't configured yet, then don't show the menuitem.
+    if (Weave.Status.checkSetup() == Weave.CLIENT_NOT_CONFIGURED ||
+        Weave.Svc.Prefs.get("firstSync", "") == "notReady") {
       menuitem.setAttribute("hidden", true);
       return;
     }
 
+    // The tabs engine might never be inited (if services.sync.registerEngines
+    // is modified), so make sure we avoid undefined errors.
+    let enabled = Weave.Service.isLoggedIn &&
+                  Weave.Service.engineManager.get("tabs") &&
+                  Weave.Service.engineManager.get("tabs").enabled;
+    menuitem.setAttribute("disabled", !enabled);
     menuitem.setAttribute("hidden", false);
+#endif
   },
 
   _onPopupShowing: function HM__onPopupShowing(aEvent) {
diff --git a/application/basilisk/base/jar.mn b/application/basilisk/base/jar.mn
index 19c089f37..126312cd5 100644
--- a/application/basilisk/base/jar.mn
+++ b/application/basilisk/base/jar.mn
@@ -65,7 +65,7 @@ browser.jar:
         content/browser/browser-fullZoom.js           (content/browser-fullZoom.js)
         content/browser/browser-gestureSupport.js     (content/browser-gestureSupport.js)
 *       content/browser/browser-media.js              (content/browser-media.js)
-        content/browser/browser-places.js             (content/browser-places.js)
+*       content/browser/browser-places.js             (content/browser-places.js)
         content/browser/browser-plugins.js            (content/browser-plugins.js)
         content/browser/browser-refreshblocker.js     (content/browser-refreshblocker.js)
 #ifdef MOZ_SAFE_BROWSING
diff --git a/application/basilisk/components/about/AboutRedirector.cpp b/application/basilisk/components/about/AboutRedirector.cpp
index 9de48b090..d52b063e2 100644
--- a/application/basilisk/components/about/AboutRedirector.cpp
+++ b/application/basilisk/components/about/AboutRedirector.cpp
@@ -92,10 +92,16 @@ static RedirEntry kRedirMap[] = {
     "welcomeback", "chrome://browser/content/aboutWelcomeBack.xhtml",
     nsIAboutModule::ALLOW_SCRIPT
   },
+#ifdef MOZ_SERVICES_SYNC
+  {
+    "sync-progress", "chrome://browser/content/sync/progress.xhtml",
+    nsIAboutModule::ALLOW_SCRIPT
+  },
   {
     "sync-tabs", "chrome://browser/content/sync/aboutSyncTabs.xul",
     nsIAboutModule::ALLOW_SCRIPT
   },
+#endif
   { "home", "chrome://browser/content/abouthome/aboutHome.xhtml",
     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
     nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
diff --git a/application/basilisk/components/build/nsModule.cpp b/application/basilisk/components/build/nsModule.cpp
index 7ae23aa76..3fdde8823 100644
--- a/application/basilisk/components/build/nsModule.cpp
+++ b/application/basilisk/components/build/nsModule.cpp
@@ -97,7 +97,10 @@ static const mozilla::Module::ContractIDEntry kBrowserContracts[] = {
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "searchreset", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sessionrestore", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "welcomeback", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
+#ifdef MOZ_SERVICES_SYNC
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sync-tabs", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
+    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sync-progress", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
+#endif
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "home", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "newtab", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "preferences", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
diff --git a/application/basilisk/locales/en-US/chrome/browser/browser.dtd b/application/basilisk/locales/en-US/chrome/browser/browser.dtd
index 892fb4fec..86833fc18 100644
--- a/application/basilisk/locales/en-US/chrome/browser/browser.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/browser.dtd
@@ -723,8 +723,9 @@ you can use these alternative items. Otherwise, their values should be empty.  -
      The word "toolbar" is appended automatically and should not be contained below! -->
 <!ENTITY tabsToolbar.label "Browser tabs">
 
-<!-- LOCALIZATION NOTE (syncTabsMenu3.label): This appears in the history menu -->
-<!ENTITY syncTabsMenu3.label     "Synced Tabs">
+#ifdef MOZ_SERVICES_SYNC
+<!-- LOCALIZATION NOTE (syncTabsMenu2.label): This appears in the history menu -->
+ <!ENTITY syncTabsMenu2.label "Tabs From Other Devices">
 
 <!ENTITY syncBrand.shortName.label    "Sync">
 
@@ -735,6 +736,7 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY syncReAuthItem.label         "Reconnect to &syncBrand.shortName.label;…">
 <!ENTITY syncReAuthItem.accesskey     "R">
 <!ENTITY syncToolbarButton.label      "Sync">
+#endif
 
 <!ENTITY customizeMode.menuAndToolbars.header2 "Additional Tools and Features">
 <!ENTITY customizeMode.menuAndToolbars.empty "Want more tools?">
diff --git a/application/basilisk/locales/jar.mn b/application/basilisk/locales/jar.mn
index b8507ade3..1e1e9be2f 100644
--- a/application/basilisk/locales/jar.mn
+++ b/application/basilisk/locales/jar.mn
@@ -19,8 +19,7 @@
     locale/browser/aboutSessionRestore.dtd         (%chrome/browser/aboutSessionRestore.dtd)
     locale/browser/aboutTabCrashed.dtd             (%chrome/browser/aboutTabCrashed.dtd)
     locale/browser/syncCustomize.dtd               (%chrome/browser/syncCustomize.dtd)
-    locale/browser/aboutSyncTabs.dtd               (%chrome/browser/aboutSyncTabs.dtd)
-    locale/browser/browser.dtd                     (%chrome/browser/browser.dtd)
+*   locale/browser/browser.dtd                     (%chrome/browser/browser.dtd)
     locale/browser/baseMenuOverlay.dtd             (%chrome/browser/baseMenuOverlay.dtd)
     locale/browser/browser.properties              (%chrome/browser/browser.properties)
     locale/browser/customizableui/customizableWidgets.properties (%chrome/browser/customizableui/customizableWidgets.properties)
@@ -89,6 +88,10 @@
     locale/browser/syncKey.dtd                  (%chrome/browser/syncKey.dtd)
     locale/browser/syncQuota.dtd                (%chrome/browser/syncQuota.dtd)
     locale/browser/syncQuota.properties         (%chrome/browser/syncQuota.properties)
+#ifdef MOZ_SERVICES_SYNC
+    locale/browser/syncProgress.dtd                               (%chrome/browser/syncProgress.dtd)
+    locale/browser/aboutSyncTabs.dtd                              (%chrome/browser/aboutSyncTabs.dtd)
+#endif
 % resource search-plugins chrome://browser/locale/searchplugins/
 #if BUILD_FASTER
     locale/browser/searchplugins/               (searchplugins/*.xml)
diff --git a/application/basilisk/themes/linux/jar.mn b/application/basilisk/themes/linux/jar.mn
index eb1ee3f4c..5835b1ca6 100644
--- a/application/basilisk/themes/linux/jar.mn
+++ b/application/basilisk/themes/linux/jar.mn
@@ -124,6 +124,7 @@ browser.jar:
   skin/classic/browser/syncQuota.css
   skin/classic/browser/syncProgress-horizontalbar.png
   skin/classic/browser/syncProgress-horizontalbar@2x.png
+  skin/classic/browser/syncProgress.css
 
 [extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}] chrome.jar:
 % override chrome://browser/skin/feeds/audioFeedIcon.png              chrome://browser/skin/feeds/feedIcon.png
diff --git a/application/basilisk/themes/linux/syncProgress.css b/application/basilisk/themes/linux/syncProgress.css
new file mode 100644
index 000000000..d7aa59976
--- /dev/null
+++ b/application/basilisk/themes/linux/syncProgress.css
@@ -0,0 +1,46 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+@import url(chrome://global/skin/inContentUI.css);
+
+:root {
+  height: 100%;
+  width: 100%;
+  padding: 0;
+}
+
+body {
+  margin: 0;
+  padding: 0 2em;
+}
+
+#floatingBox {
+  margin: 4em auto;
+  max-width: 40em;
+  min-width: 23em;
+  padding: 1em 1.5em;
+  position: relative;
+  text-align: center;
+}
+
+#successLogo {
+  margin: 1em 2em;
+}
+
+#loadingText {
+  margin: 2em 6em;
+}
+
+#progressBar {
+  margin: 2em 10em;
+}
+
+#uploadProgressBar{
+  width: 100%;
+}
+
+#bottomRow {
+  margin-top: 2em;
+  padding: 0;
+  text-align: end;
+}
diff --git a/application/basilisk/themes/osx/jar.mn b/application/basilisk/themes/osx/jar.mn
index 91998efa6..39fcf6343 100644
--- a/application/basilisk/themes/osx/jar.mn
+++ b/application/basilisk/themes/osx/jar.mn
@@ -178,6 +178,7 @@ browser.jar:
   skin/classic/browser/syncProgress-toolbar@2x.png
   skin/classic/browser/syncProgress-toolbar-inverted.png
   skin/classic/browser/syncProgress-toolbar-inverted@2x.png
+  skin/classic/browser/syncProgress.css
   skin/classic/browser/Toolbar-background-noise.png         (Toolbar-background-noise.png)
   skin/classic/browser/lion/toolbarbutton-dropmarker.png    (toolbarbutton-dropmarker-lion.png)
   skin/classic/browser/toolbarbutton-dropmarker@2x.png      (toolbarbutton-dropmarker-lion@2x.png)
diff --git a/application/basilisk/themes/osx/syncProgress.css b/application/basilisk/themes/osx/syncProgress.css
new file mode 100644
index 000000000..d7aa59976
--- /dev/null
+++ b/application/basilisk/themes/osx/syncProgress.css
@@ -0,0 +1,46 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+@import url(chrome://global/skin/inContentUI.css);
+
+:root {
+  height: 100%;
+  width: 100%;
+  padding: 0;
+}
+
+body {
+  margin: 0;
+  padding: 0 2em;
+}
+
+#floatingBox {
+  margin: 4em auto;
+  max-width: 40em;
+  min-width: 23em;
+  padding: 1em 1.5em;
+  position: relative;
+  text-align: center;
+}
+
+#successLogo {
+  margin: 1em 2em;
+}
+
+#loadingText {
+  margin: 2em 6em;
+}
+
+#progressBar {
+  margin: 2em 10em;
+}
+
+#uploadProgressBar{
+  width: 100%;
+}
+
+#bottomRow {
+  margin-top: 2em;
+  padding: 0;
+  text-align: end;
+}
diff --git a/application/basilisk/themes/windows/jar.mn b/application/basilisk/themes/windows/jar.mn
index 8b9f73918..09004f57d 100644
--- a/application/basilisk/themes/windows/jar.mn
+++ b/application/basilisk/themes/windows/jar.mn
@@ -166,6 +166,7 @@ browser.jar:
   skin/classic/browser/syncProgress-toolbar-inverted@2x.png
   skin/classic/browser/syncProgress-toolbar-win7.png
   skin/classic/browser/syncProgress-toolbar-win7@2x.png
+  skin/classic/browser/syncProgress.css
 
 [extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}] chrome.jar:
 % override chrome://browser/skin/page-livemarks.png                   chrome://browser/skin/feeds/feedIcon16.png
diff --git a/application/basilisk/themes/windows/syncProgress.css b/application/basilisk/themes/windows/syncProgress.css
new file mode 100644
index 000000000..d7aa59976
--- /dev/null
+++ b/application/basilisk/themes/windows/syncProgress.css
@@ -0,0 +1,46 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+@import url(chrome://global/skin/inContentUI.css);
+
+:root {
+  height: 100%;
+  width: 100%;
+  padding: 0;
+}
+
+body {
+  margin: 0;
+  padding: 0 2em;
+}
+
+#floatingBox {
+  margin: 4em auto;
+  max-width: 40em;
+  min-width: 23em;
+  padding: 1em 1.5em;
+  position: relative;
+  text-align: center;
+}
+
+#successLogo {
+  margin: 1em 2em;
+}
+
+#loadingText {
+  margin: 2em 6em;
+}
+
+#progressBar {
+  margin: 2em 10em;
+}
+
+#uploadProgressBar{
+  width: 100%;
+}
+
+#bottomRow {
+  margin-top: 2em;
+  padding: 0;
+  text-align: end;
+}