Add retry logic to partition alloc

Source/wtf/PartitionAlloc.h

Index: Source/wtf/PartitionAlloc.h
diff --git a/Source/wtf/PartitionAlloc.h b/Source/wtf/PartitionAlloc.h
index 51430004a09483d44187abd040cf4249159dfabb..b1d30d60f35c5d059a92d1ff8b1e639d8a32bb49 100644
--- a/Source/wtf/PartitionAlloc.h
+++ b/Source/wtf/PartitionAlloc.h
@@ -199,6 +199,9 @@ struct PartitionFreelistEntry {
     PartitionFreelistEntry* next;
 };
 
+

[Chris Evans, 2014/11/06 21:43:51]

Nit: looks like a double newline here?

+typedef void (*PartitionFreeUpMemoryCallback)(void);
+
 // Some notes on page states. A page can be in one of three major states:
 // 1) Active.
 // 2) Full.
@@ -292,8 +295,11 @@ struct PartitionRootGeneric : public PartitionRootBase {
 // Flags for partitionAllocGenericFlags.
 enum PartitionAllocFlags {
     PartitionAllocReturnNull = 1 << 0,
+    // If you add a flag here, also update PartitionAllocFlagsInternal.
 };
 
+WTF_EXPORT void partitionSetFreeUpMemoryCallback(PartitionFreeUpMemoryCallback);
+
 WTF_EXPORT void partitionAllocInit(PartitionRoot*, size_t numBuckets, size_t maxAllocation);
 WTF_EXPORT bool partitionAllocShutdown(PartitionRoot*);
 WTF_EXPORT void partitionAllocGenericInit(PartitionRootGeneric*);
@@ -652,6 +658,7 @@ private:
 using WTF::SizeSpecificPartitionAllocator;
 using WTF::PartitionAllocatorGeneric;
 using WTF::PartitionRoot;
+using WTF::partitionSetFreeUpMemoryCallback;
 using WTF::partitionAllocInit;
 using WTF::partitionAllocShutdown;
 using WTF::partitionAlloc;