Backed out 3 changesets (bug 1812275, bug 1812035, bug 1806501) for bc failures on browser_aboutprocesses_default_options.js .

Backed out changeset 4f13d8470d97 (bug 1806501)
Backed out changeset a276a2939cee (bug 1812275)
Backed out changeset 67775732c1a8 (bug 1812035)

browser/components/BrowserGlue.sys.mjs

@@ -2855,14 +2855,6 @@ BrowserGlue.prototype = {
         },
       },
 
-      {
-        // Starts the JSOracle process for ORB JavaScript validation, if it hasn't started already.
-        name: "start-orb-javascript-oracle",
-        task: () => {
-          ChromeUtils.ensureJSOracleStarted();
-        },
-      },
-
       {
         name: "browser-startup-idle-tasks-finished",
         task: () => {

dom/base/ChromeUtils.cpp

@@ -6,7 +6,6 @@
 
 #include "ChromeUtils.h"
 
-#include "JSOracleParent.h"
 #include "js/CharacterEncoding.h"
 #include "js/Object.h"              // JS::GetClass
 #include "js/PropertyAndElement.h"  // JS_DefineProperty, JS_DefinePropertyById, JS_Enumerate, JS_GetProperty, JS_GetPropertyById, JS_SetProperty, JS_SetPropertyById, JS::IdVector
@@ -1763,16 +1762,4 @@ bool ChromeUtils::IsDarkBackground(GlobalObject&, Element& aElement) {
 
 double ChromeUtils::DateNow(GlobalObject&) { return JS_Now() / 1000.0; }
 
-/* static */
-void ChromeUtils::EnsureJSOracleStarted(GlobalObject&) {
-  JSOracleParent::WithJSOracle(
-      [](JSOracleParent* aParent) { MOZ_DIAGNOSTIC_ASSERT(aParent); });
-}
-
-/* static */
-unsigned ChromeUtils::AliveUtilityProcesses(const GlobalObject&) {
-  const auto& utilityProcessManager =
-      mozilla::ipc::UtilityProcessManager::GetIfExists();
-  return utilityProcessManager ? utilityProcessManager->AliveProcesses() : 0;
-}
 }  // namespace mozilla::dom

dom/base/ChromeUtils.h

@@ -284,10 +284,6 @@ class ChromeUtils {
   static bool IsDarkBackground(GlobalObject&, Element&);
 
   static double DateNow(GlobalObject&);
-
-  static void EnsureJSOracleStarted(GlobalObject&);
-
-  static unsigned AliveUtilityProcesses(const GlobalObject&);
 };
 
 }  // namespace dom

dom/chrome-webidl/ChromeUtils.webidl

@@ -653,17 +653,6 @@ partial namespace ChromeUtils {
    * Returns whether the background of the element is dark.
    */
   boolean isDarkBackground(Element element);
-
-  /**
-   * Starts the JSOracle process for ORB JavaScript validation, if it hasn't started already.
-   */
-  undefined ensureJSOracleStarted();
-
-  /**
-   * The number of currently alive utility processes.
-   */
-  [ChromeOnly]
-  readonly attribute unsigned long aliveUtilityProcesses;
 };
 
 /*

ipc/glue/UtilityProcessManager.h

@@ -130,8 +130,6 @@ class UtilityProcessManager final : public UtilityProcessHost::Listener {
   // Shutdown all utility processes
   void CleanShutdownAllProcesses();
 
-  uint16_t AliveProcesses();
-
  private:
   ~UtilityProcessManager();
 
@@ -198,6 +196,7 @@ class UtilityProcessManager final : public UtilityProcessHost::Listener {
 
   RefPtr<ProcessFields> GetProcess(SandboxingKind);
   bool NoMoreProcesses();
+  uint16_t AliveProcesses();
 };
 
 }  // namespace ipc

ipc/glue/test/browser/browser_utility_audioDecodeCrash.js

@@ -24,9 +24,7 @@ async function crashDecoder(expectation) {
   const audioPid = await getAudioDecoderPid(expectation);
   ok(audioPid > 0, `Found an audio decoder ${audioPid}`);
   const actorIsAudioDecoder = actorNames => {
-    return actorNames
-      .split(",")
-      .some(actorName => actorName.trim().startsWith("audio-decoder-"));
+    return actorNames.startsWith("audio-decoder-");
   };
   info(`Crashing audio decoder ${audioPid}`);
   await crashSomeUtility(audioPid, actorIsAudioDecoder);

toolkit/components/aboutmemory/tests/test_aboutmemory5.xhtml

@@ -132,7 +132,7 @@
             socketProcessRunning = 1;
           }
 
-          let m2 = (vsizes.length == (4 + socketProcessRunning + ChromeUtils.aliveUtilityProcesses) &&
+          let m2 = (vsizes.length == (4 + socketProcessRunning) &&
                     endOfBrowsers.length == 3);
           ok(m2, "three content processes present in loaded data");
           good = good && !!m2;

toolkit/components/aboutmemory/tests/test_memoryReporters.xhtml

@@ -230,7 +230,7 @@
     if (SpecialPowers.Services.io.socketProcessLaunched) {
       socketProcessRunning = 1;
     }
-    is(aAmounts.length, (1 + socketProcessRunning + ChromeUtils.aliveUtilityProcesses),
+    ok(aAmounts.length == (1 + socketProcessRunning),
        aName + " has " + aAmounts.length + " report");
     let n = aAmounts[0];
     if (!aCanBeUnreasonable) {

toolkit/components/aboutmemory/tests/test_memoryReporters2.xhtml

@@ -22,7 +22,7 @@
     socketProcessRunning = 1;
   }
   let numToOpen = 3;
-  const expectedNumRemotes = numToOpen + socketProcessRunning + ChromeUtils.aliveUtilityProcesses;
+  const expectedNumRemotes = numToOpen + socketProcessRunning;
   let numReady = 0;
 
   // Create some remote processes, and set up message-passing so that
@@ -89,7 +89,7 @@
         } else {
           ok(processes[i].startsWith("Browser (") || processes[i].startsWith("Web Content (") ||
              (processes[i].startsWith("Socket (") && socketProcessRunning)
-             || processes[i].startsWith("web (") || processes[i].startsWith("Utility ("),
+             || processes[i].startsWith("web ("),
              "correct non-empty process name prefix: " + processes[i]);
           numNonEmptyProcesses++;
         }

xpcom/base/nsMemoryReporterManager.cpp

@@ -1870,15 +1870,13 @@ nsresult nsMemoryReporterManager::StartGettingReports() {
     }
   }
 
-  if (!IsRegistrationBlocked()) {
-    if (RefPtr<UtilityProcessManager> utility =
-            UtilityProcessManager::GetIfExists()) {
-      for (RefPtr<UtilityProcessParent>& parent :
-           utility->GetAllProcessesProcessParent()) {
-        if (RefPtr<MemoryReportingProcess> proc =
-                utility->GetProcessMemoryReporter(parent)) {
-          s->mChildrenPending.AppendElement(proc.forget());
-        }
+  if (RefPtr<UtilityProcessManager> utility =
+          UtilityProcessManager::GetIfExists()) {
+    for (RefPtr<UtilityProcessParent>& parent :
+         utility->GetAllProcessesProcessParent()) {
+      if (RefPtr<MemoryReportingProcess> proc =
+              utility->GetProcessMemoryReporter(parent)) {
+        s->mChildrenPending.AppendElement(proc.forget());
       }
     }
   }