Bug 1189906 - Remove the unused UseSavedRoots enum; r=jonco

--HG--
extra : rebase_source : 62ef5c2c63d11305dc30f9b1a76020a8705a2c77

js/src/gc/GCRuntime.h

@@ -632,13 +632,7 @@ class GCRuntime
         TraceRuntime,
         MarkRuntime
     };
-    enum TraceRootsOrUsedSaved {
-        TraceRoots,
-        UseSavedRoots
-    };
-    void markRuntime(JSTracer* trc,
-                     TraceOrMarkRuntime traceOrMark = TraceRuntime,
-                     TraceRootsOrUsedSaved rootsSource = TraceRoots);
+    void markRuntime(JSTracer* trc, TraceOrMarkRuntime traceOrMark = TraceRuntime);
 
     void notifyDidPaint();
     void shrinkBuffers();

js/src/gc/RootMarking.cpp

@@ -331,14 +331,11 @@ js::gc::MarkPersistentRootedChains(JSTracer* trc)
 }
 
 void
-js::gc::GCRuntime::markRuntime(JSTracer* trc,
-                               TraceOrMarkRuntime traceOrMark,
-                               TraceRootsOrUsedSaved rootsSource)
+js::gc::GCRuntime::markRuntime(JSTracer* trc, TraceOrMarkRuntime traceOrMark)
 {
     gcstats::AutoPhase ap(stats, gcstats::PHASE_MARK_ROOTS);
 
     MOZ_ASSERT(traceOrMark == TraceRuntime || traceOrMark == MarkRuntime);
-    MOZ_ASSERT(rootsSource == TraceRoots || rootsSource == UseSavedRoots);
 
     MOZ_ASSERT(!rt->mainThread.suppressGC);
 

js/src/jsgc.cpp

@@ -4201,7 +4201,7 @@ js::gc::MarkingValidator::nonIncrementalMark()
                 chunk->bitmap.clear();
         }
 
-        gc->markRuntime(gcmarker, GCRuntime::MarkRuntime, GCRuntime::UseSavedRoots);
+        gc->markRuntime(gcmarker, GCRuntime::MarkRuntime);
 
         SliceBudget budget;
         gc->incrementalState = MARK;