Remove BlinkGCInterruptor

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

Index: third_party/WebKit/Source/platform/heap/ThreadState.h
diff --git a/third_party/WebKit/Source/platform/heap/ThreadState.h b/third_party/WebKit/Source/platform/heap/ThreadState.h
index f7091537aa57ef3e1eab05b0c588b3819aa1a74e..95e373a6ad8cf4fe33127f1771e751b11e52b90a 100644
--- a/third_party/WebKit/Source/platform/heap/ThreadState.h
+++ b/third_party/WebKit/Source/platform/heap/ThreadState.h
@@ -33,7 +33,6 @@
 
 #include "platform/PlatformExport.h"
 #include "platform/heap/BlinkGC.h"
-#include "platform/heap/BlinkGCInterruptor.h"
 #include "platform/heap/ThreadingTraits.h"
 #include "public/platform/WebThread.h"
 #include "wtf/AddressSanitizer.h"
@@ -319,11 +318,7 @@ class PLATFORM_EXPORT ThreadState {
   //     safePoint() method;
   //   - use SafePointScope around long running loops that have no safePoint()
   //     invocation inside, such loops must not touch any heap object;
-  //   - register an BlinkGCInterruptor that can interrupt long running loops
-  //     that have no calls to safePoint and are not wrapped in a SafePointScope
-  //     (e.g. BlinkGCInterruptor for JavaScript code)
   //
-
   // Check if GC is requested by another thread and pause this thread if this is
   // the case.  Can only be called when current thread is in a consistent state.
   void safePoint(BlinkGC::StackState);
@@ -332,8 +327,6 @@ class PLATFORM_EXPORT ThreadState {
   void enterSafePoint(BlinkGC::StackState, void*);
   void leaveSafePoint();
 
-  void addInterruptor(std::unique_ptr<BlinkGCInterruptor>);
-
   void recordStackEnd(intptr_t* endOfStack) { m_endOfStack = endOfStack; }
 
   // Get one of the heap structures for this thread.
@@ -608,11 +601,6 @@ class PLATFORM_EXPORT ThreadState {
 
   void reportMemoryToV8();
 
-  // Should only be called under protection of threadAttachMutex().
-  const Vector<std::unique_ptr<BlinkGCInterruptor>>& interruptors() const {
-    return m_interruptors;
-  }
-
   friend class SafePointBarrier;
   friend class SafePointScope;
 
@@ -636,7 +624,6 @@ class PLATFORM_EXPORT ThreadState {
 
   void* m_safePointScopeMarker;
   Vector<Address> m_safePointStackCopy;
-  Vector<std::unique_ptr<BlinkGCInterruptor>> m_interruptors;
   bool m_sweepForbidden;
   size_t m_noAllocationCount;
   size_t m_gcForbiddenCount;