Bug 1589493 - Expose isLikelyOOM to Content crash handlers;r=gsvelto

Depends on D54129

Differential Revision: https://phabricator.services.mozilla.com/D54130

--HG--
extra : moz-landing-system : lando

dom/ipc/ContentParent.cpp

@@ -1718,7 +1718,11 @@ void ContentParent::ActorDestroy(ActorDestroyReason why) {
         // if mCreatedPairedMinidumps is true, we've already generated
         // parent/child dumps for desktop crashes.
         if (!mCreatedPairedMinidumps) {
-          mCrashReporter->GenerateCrashReport(OtherPid());
+          if (mCrashReporter->GenerateCrashReport(OtherPid())) {
+            // Propagate `isLikelyOOM`.
+            Unused << props->SetPropertyAsBool(NS_LITERAL_STRING("isLikelyOOM"),
+                                               mCrashReporter->IsLikelyOOM());
+          }
         }
 
         if (mCrashReporter->HasMinidump()) {