1 files changed, 0 insertions, 75 deletions
diff --git a/browser/components/sessionstore/test/browser_send_async_message_oom.js b/browser/components/sessionstore/test/browser_send_async_message_oom.js
deleted file mode 100644
index 7e807f2fbd..0000000000
--- a/browser/components/sessionstore/test/browser_send_async_message_oom.js
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-/* eslint-disable mozilla/no-arbitrary-setTimeout */
-
-const HISTOGRAM_NAME = "FX_SESSION_RESTORE_SEND_UPDATE_CAUSED_OOM";
-
-/**
- * Test that an OOM in sendAsyncMessage in a framescript will be reported
- * to Telemetry.
- */
-
-add_setup(async function () {
-  Services.telemetry.canRecordExtended = true;
-});
-
-function frameScript() {
-  // Make send[A]syncMessage("SessionStore:update", ...) simulate OOM.
-  // Other operations are unaffected.
-  let mm = docShell.messageManager;
-
-  let wrap = function (original) {
-    return function (name, ...args) {
-      if (name != "SessionStore:update") {
-        return original(name, ...args);
-      }
-      throw new Components.Exception(
-        "Simulated OOM",
-        Cr.NS_ERROR_OUT_OF_MEMORY
-      );
-    };
-  };
-
-  mm.sendAsyncMessage = wrap(mm.sendAsyncMessage.bind(mm));
-  mm.sendSyncMessage = wrap(mm.sendSyncMessage.bind(mm));
-}
-
-add_task(async function () {
-  // Capture original state.
-  let snapshot = Services.telemetry.getHistogramById(HISTOGRAM_NAME).snapshot();
-
-  // Open a browser, configure it to cause OOM.
-  let newTab = BrowserTestUtils.addTab(gBrowser, "about:robots");
-  let browser = newTab.linkedBrowser;
-  await ContentTask.spawn(browser, null, frameScript);
-
-  let promiseReported = new Promise(resolve => {
-    browser.messageManager.addMessageListener("SessionStore:error", resolve);
-  });
-
-  // Attempt to flush. This should fail.
-  let promiseFlushed = TabStateFlusher.flush(browser);
-  promiseFlushed.then(success => {
-    if (success) {
-      throw new Error("Flush should have failed");
-    }
-  });
-
-  // The frame script should report an error.
-  await promiseReported;
-
-  // Give us some time to handle that error.
-  await new Promise(resolve => setTimeout(resolve, 10));
-
-  // By now, Telemetry should have been updated.
-  let snapshot2 = Services.telemetry
-    .getHistogramById(HISTOGRAM_NAME)
-    .snapshot();
-  gBrowser.removeTab(newTab);
-
-  Assert.ok(snapshot2.sum > snapshot.sum);
-});
-
-add_task(async function cleanup() {
-  Services.telemetry.canRecordExtended = false;
-});