Revert of [heap] More flag cleanup.

src/heap/memory-reducer.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/memory-reducer.h"
 
 #include "src/flags.h"
 #include "src/heap/gc-tracer.h"
 #include "src/heap/heap.h"
 #include "src/objects-inl.h"  // TODO(mstarzinger): Temporary cycle breaker!
@@ skipping 85 matching lines @@
   DCHECK_EQ(kBackgroundIdleNotification, event.type);
   Action old_action = state_.action;
   int old_started_gcs = state_.started_gcs;
   state_ = Step(state_, event);
   if (old_action == kWait && state_.action == kWait &&
       old_started_gcs + 1 == state_.started_gcs) {
     DCHECK(heap()->incremental_marking()->IsStopped());
     // TODO(ulan): Replace it with incremental marking GC once
     // chromium:490559 is fixed.
     if (event.time_ms > state_.last_gc_time_ms + kLongDelayMs) {
-      heap()->CollectAllGarbage("memory reducer background GC",
-                                Heap::kReduceMemoryFootprintMask);
+      heap()->CollectAllGarbage(Heap::kReduceMemoryFootprintMask,
+                                "memory reducer background GC");
     } else {
       DCHECK(FLAG_incremental_marking);
       heap()->StartIdleIncrementalMarking();
       if (FLAG_trace_gc_verbose) {
         PrintIsolate(heap()->isolate(),
                      "Memory reducer: started GC #%d"
                      " (background idle)\n",
                      state_.started_gcs);
       }
     }
@@ skipping 80 matching lines @@
   auto timer_task = new MemoryReducer::TimerTask(this);
   V8::GetCurrentPlatform()->CallDelayedOnForegroundThread(
       isolate, timer_task, (delay_ms + kSlackMs) / 1000.0);
 }
 
 
 void MemoryReducer::TearDown() { state_ = State(kDone, 0, 0, 0.0); }
 
 }  // internal
 }  // v8