Revert of Version 4.5.103.23 (cherry-pick)

src/heap/gc-tracer.h

Index: src/heap/gc-tracer.h
diff --git a/src/heap/gc-tracer.h b/src/heap/gc-tracer.h
index e26fc898f99ab8181ae84df9e47ea5ff2ab73aa8..468fc9c0be7c4c298e2eb6a03580ff6be66f6505 100644
--- a/src/heap/gc-tracer.h
+++ b/src/heap/gc-tracer.h
@@ -291,8 +291,6 @@
 
   typedef RingBuffer<SurvivalEvent, kRingBufferMaxSize> SurvivalEventBuffer;
 
-  static const int kThroughputTimeFrameMs = 5000;
-
   explicit GCTracer(Heap* heap);
 
   // Start collecting data.
@@ -409,11 +407,6 @@
   // milliseconds.
   // Returns 0 if no allocation events have been recorded.
   size_t AllocationThroughputInBytesPerMillisecond(double time_ms) const;
-
-  // Allocation throughput in heap in bytes/milliseconds in
-  // the last five seconds.
-  // Returns 0 if no allocation events have been recorded.
-  size_t CurrentAllocationThroughputInBytesPerMillisecond() const;
 
   // Allocation throughput in old generation in bytes/milliseconds in
   // the last five seconds.