Remove a thread-local termination GC

third_party/WebKit/Source/platform/heap/BlinkGC.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BlinkGC_h
 #define BlinkGC_h
 
 // BlinkGC.h is a file that defines common things used by Blink GC.
 
 #include "platform/PlatformExport.h"
@@ skipping 63 matching lines @@
     TakeSnapshot,
   };
 
   enum GCReason {
     IdleGC,
     PreciseGC,
     ConservativeGC,
     ForcedGC,
     MemoryPressureGC,
     PageNavigationGC,
+    ThreadTerminationGC,
     NumberOfGCReason,
   };
 
   enum ArenaIndices {
     EagerSweepArenaIndex = 0,
     NormalPage1ArenaIndex,
     NormalPage2ArenaIndex,
     NormalPage3ArenaIndex,
     NormalPage4ArenaIndex,
     Vector1ArenaIndex,
     Vector2ArenaIndex,
     Vector3ArenaIndex,
     Vector4ArenaIndex,
     InlineVectorArenaIndex,
     HashTableArenaIndex,
     FOR_EACH_TYPED_ARENA(TypedArenaEnumName) LargeObjectArenaIndex,
     // Values used for iteration of heap segments.
     NumberOfArenas,
   };
 
   enum V8GCType {
     V8MinorGC,
     V8MajorGC,
   };
 };
 
 }  // namespace blink
 
 #endif