Oilpan: Simplify Heap::allocate

Source/platform/heap/ThreadState.cpp

Index: Source/platform/heap/ThreadState.cpp
diff --git a/Source/platform/heap/ThreadState.cpp b/Source/platform/heap/ThreadState.cpp
index d44b9c4907175ea60e8c7450a30e57d23c14e600..8799330e85456dbcdeb0f52d49b281e726c018ad 100644
--- a/Source/platform/heap/ThreadState.cpp
+++ b/Source/platform/heap/ThreadState.cpp
@@ -911,14 +911,13 @@ BaseHeapPage* ThreadState::heapPageFromAddress(Address address)
 void ThreadState::getStats(HeapStats& stats)
 {
     stats = m_stats;
-#if ENABLE(ASSERT)
-    if (isConsistentForSweeping()) {
-        HeapStats scannedStats;
-        for (int i = 0; i < NumberOfHeaps; i++)
-            m_heaps[i]->getScannedStats(scannedStats);
-        ASSERT(scannedStats == stats);
-    }
-#endif
+}
+
+void ThreadState::getStatsForTesting(HeapStats& stats)
+{
+    ASSERT(isConsistentForSweeping());
+    for (int i = 0; i < NumberOfHeaps; i++)
+        m_heaps[i]->getStatsForTesting(stats);
 }
 
 bool ThreadState::stopThreads()