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diff --git a/browser/base/content/test/general/browser_bug537013.js b/browser/base/content/test/general/browser_bug537013.js
new file mode 100644
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+++ b/browser/base/content/test/general/browser_bug537013.js
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+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* Tests for bug 537013 to ensure proper tab-sequestration of find bar. */
+
+var tabs = [];
+var texts = [
+  "This side up.",
+  "The world is coming to an end. Please log off.",
+  "Klein bottle for sale. Inquire within.",
+  "To err is human; to forgive is not company policy.",
+];
+
+var HasFindClipboard = Services.clipboard.isClipboardTypeSupported(
+  Services.clipboard.kFindClipboard
+);
+
+function addTabWithText(aText, aCallback) {
+  let newTab = BrowserTestUtils.addTab(
+    gBrowser,
+    "data:text/html;charset=utf-8,<h1 id='h1'>" + aText + "</h1>"
+  );
+  tabs.push(newTab);
+  gBrowser.selectedTab = newTab;
+}
+
+function setFindString(aString) {
+  gFindBar.open();
+  gFindBar._findField.focus();
+  gFindBar._findField.select();
+  EventUtils.sendString(aString);
+  is(gFindBar._findField.value, aString, "Set the field correctly!");
+}
+
+var newWindow;
+
+function test() {
+  waitForExplicitFinish();
+  registerCleanupFunction(function () {
+    while (tabs.length) {
+      gBrowser.removeTab(tabs.pop());
+    }
+  });
+  texts.forEach(aText => addTabWithText(aText));
+
+  // Set up the first tab
+  gBrowser.selectedTab = tabs[0];
+
+  gBrowser.getFindBar().then(initialTest);
+}
+
+function initialTest() {
+  setFindString(texts[0]);
+  // Turn on highlight for testing bug 891638
+  gFindBar.getElement("highlight").checked = true;
+
+  // Make sure the second tab is correct, then set it up
+  gBrowser.selectedTab = tabs[1];
+  gBrowser.selectedTab.addEventListener("TabFindInitialized", continueTests1, {
+    once: true,
+  });
+  // Initialize the findbar
+  gBrowser.getFindBar();
+}
+function continueTests1() {
+  ok(true, "'TabFindInitialized' event properly dispatched!");
+  ok(gFindBar.hidden, "Second tab doesn't show find bar!");
+  gFindBar.open();
+  is(
+    gFindBar._findField.value,
+    texts[0],
+    "Second tab kept old find value for new initialization!"
+  );
+  setFindString(texts[1]);
+
+  // Confirm the first tab is still correct, ensure re-hiding works as expected
+  gBrowser.selectedTab = tabs[0];
+  ok(!gFindBar.hidden, "First tab shows find bar!");
+  // When the Find Clipboard is supported, this test not relevant.
+  if (!HasFindClipboard) {
+    is(gFindBar._findField.value, texts[0], "First tab persists find value!");
+  }
+  ok(
+    gFindBar.getElement("highlight").checked,
+    "Highlight button state persists!"
+  );
+
+  // While we're here, let's test bug 253793
+  gBrowser.reload();
+  gBrowser.addEventListener("DOMContentLoaded", continueTests2, true);
+}
+
+function continueTests2() {
+  gBrowser.removeEventListener("DOMContentLoaded", continueTests2, true);
+  ok(gFindBar.getElement("highlight").checked, "Highlight never reset!");
+  continueTests3();
+}
+
+function continueTests3() {
+  ok(gFindBar.getElement("highlight").checked, "Highlight button reset!");
+  gFindBar.close();
+  ok(gFindBar.hidden, "First tab doesn't show find bar!");
+  gBrowser.selectedTab = tabs[1];
+  ok(!gFindBar.hidden, "Second tab shows find bar!");
+  // Test for bug 892384
+  is(
+    gFindBar._findField.getAttribute("focused"),
+    "true",
+    "Open findbar refocused on tab change!"
+  );
+  gURLBar.focus();
+  gBrowser.selectedTab = tabs[0];
+  ok(gFindBar.hidden, "First tab doesn't show find bar!");
+
+  // Set up a third tab, no tests here
+  gBrowser.selectedTab = tabs[2];
+  gBrowser.selectedTab.addEventListener("TabFindInitialized", continueTests4, {
+    once: true,
+  });
+  gBrowser.getFindBar();
+}
+
+function continueTests4() {
+  setFindString(texts[2]);
+
+  // Now we jump to the second, then first, and then fourth
+  gBrowser.selectedTab = tabs[1];
+  // Test for bug 892384
+  ok(
+    !gFindBar._findField.hasAttribute("focused"),
+    "Open findbar not refocused on tab change!"
+  );
+  gBrowser.selectedTab = tabs[0];
+  gBrowser.selectedTab = tabs[3];
+  ok(gFindBar.hidden, "Fourth tab doesn't show find bar!");
+  is(gFindBar, gBrowser.getFindBar(), "Find bar is right one!");
+  gFindBar.open();
+  // Disabled the following assertion due to intermittent failure on OSX 10.6 Debug.
+  if (!HasFindClipboard) {
+    is(
+      gFindBar._findField.value,
+      texts[1],
+      "Fourth tab has second tab's find value!"
+    );
+  }
+
+  newWindow = gBrowser.replaceTabWithWindow(tabs.pop());
+  whenDelayedStartupFinished(newWindow, checkNewWindow);
+}
+
+// Test that findbar gets restored when a tab is moved to a new window.
+function checkNewWindow() {
+  ok(!newWindow.gFindBar.hidden, "New window shows find bar!");
+  // Disabled the following assertion due to intermittent failure on OSX 10.6 Debug.
+  if (!HasFindClipboard) {
+    is(
+      newWindow.gFindBar._findField.value,
+      texts[1],
+      "New window find bar has correct find value!"
+    );
+    ok(
+      !newWindow.gFindBar.getElement("find-next").disabled,
+      "New window findbar has enabled buttons!"
+    );
+  }
+  newWindow.close();
+  finish();
+}