Update V8 to r4730 as required by WebKit r60469
diff --git a/test/cctest/test-circular-queue.cc b/test/cctest/test-circular-queue.cc
index 3fa49bf..ce9a42e 100644
--- a/test/cctest/test-circular-queue.cc
+++ b/test/cctest/test-circular-queue.cc
@@ -1,6 +1,6 @@
 // Copyright 2010 the V8 project authors. All rights reserved.
 //
-// Tests of circular queues.
+// Tests of the circular queue.
 
 #include "v8.h"
 #include "circular-queue-inl.h"
@@ -8,53 +8,9 @@
 
 namespace i = v8::internal;
 
-using i::CircularQueue;
 using i::SamplingCircularQueue;
 
 
-TEST(SingleRecordCircularQueue) {
-  typedef int Record;
-  CircularQueue<Record> cq(sizeof(Record) * 2);
-  CHECK(cq.IsEmpty());
-  cq.Enqueue(1);
-  CHECK(!cq.IsEmpty());
-  Record rec = 0;
-  cq.Dequeue(&rec);
-  CHECK_EQ(1, rec);
-  CHECK(cq.IsEmpty());
-}
-
-
-TEST(MultipleRecordsCircularQueue) {
-  typedef int Record;
-  const int kQueueSize = 10;
-  CircularQueue<Record> cq(sizeof(Record) * (kQueueSize + 1));
-  CHECK(cq.IsEmpty());
-  cq.Enqueue(1);
-  CHECK(!cq.IsEmpty());
-  for (int i = 2; i <= 5; ++i) {
-    cq.Enqueue(i);
-    CHECK(!cq.IsEmpty());
-  }
-  Record rec = 0;
-  for (int i = 1; i <= 4; ++i) {
-    CHECK(!cq.IsEmpty());
-    cq.Dequeue(&rec);
-    CHECK_EQ(i, rec);
-  }
-  for (int i = 6; i <= 12; ++i) {
-    cq.Enqueue(i);
-    CHECK(!cq.IsEmpty());
-  }
-  for (int i = 5; i <= 12; ++i) {
-    CHECK(!cq.IsEmpty());
-    cq.Dequeue(&rec);
-    CHECK_EQ(i, rec);
-  }
-  CHECK(cq.IsEmpty());
-}
-
-
 TEST(SamplingCircularQueue) {
   typedef SamplingCircularQueue::Cell Record;
   const int kRecordsPerChunk = 4;