Bug 1284674 - Remove NUWA r=cyu

MozReview-Commit-ID: GyMRNzOBKw6

xpcom/base/nsMemoryReporterManager.cpp

@@ -1926,12 +1926,6 @@ nsMemoryReporterManager::HandleChildReport(
 nsMemoryReporterManager::StartChildReport(mozilla::dom::ContentParent* aChild,
                                           const PendingProcessesState* aState)
 {
-#ifdef MOZ_NUWA_PROCESS
-  if (aChild->IsNuwaProcess()) {
-    return false;
-  }
-#endif
-
   if (!aChild->IsAlive()) {
     MEMORY_REPORTING_LOG("StartChildReports (gen=%u): child exited before"
                          " its report was started\n",
@@ -1984,7 +1978,7 @@ nsMemoryReporterManager::EndProcessReport(uint32_t aGeneration, bool aSuccess)
     RefPtr<ContentParent> nextChild;
     nextChild.swap(s->mChildrenPending.LastElement());
     s->mChildrenPending.TruncateLength(s->mChildrenPending.Length() - 1);
-    // Start report (if the child is still alive and not Nuwa).
+    // Start report (if the child is still alive).
     if (StartChildReport(nextChild, s)) {
       ++s->mNumProcessesRunning;
       MEMORY_REPORTING_LOG("HandleChildReports (aGen=%u): started child report"