Determine stability of system_health:memory_mobile results.

third_party/WebKit/Source/platform/heap/ThreadState.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 157 matching lines @@
 }
 
 void ThreadState::DetachCurrentThread() {
   ThreadState* state = Current();
   state->RunTerminationGC();
   delete state;
 }
 
 void ThreadState::RemoveAllPages() {
   DCHECK(CheckThread());
-  for (int i = 0; i < BlinkGC::kNumberOfArenas; ++i)
+  for (int i = 0; i < BlinkGC::kNumberOfArenas; ++i) {
     arenas_[i]->RemoveAllPages();
+  }
 }
 
 void ThreadState::RunTerminationGC() {
   if (IsMainThread()) {
     RemoveAllPages();
     return;
   }
   DCHECK(CheckThread());
 
   // Finish sweeping.
@@ skipping 1379 matching lines @@
     CollectGarbage(BlinkGC::kNoHeapPointersOnStack, BlinkGC::kGCWithSweep,
                    BlinkGC::kForcedGC);
     size_t live_objects = Heap().HeapStats().MarkedObjectSize();
     if (live_objects == previous_live_objects)
       break;
     previous_live_objects = live_objects;
   }
 }
 
 }  // namespace blink