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 60f6eca1fd0e166c6b6cb9ebf9d25e059b081568..a70e461e929c49e9012dd2252573aa31be6fc5e9 100644
--- a/Source/platform/heap/ThreadState.cpp
+++ b/Source/platform/heap/ThreadState.cpp
@@ -902,14 +902,13 @@ 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()