Add dump name for tracing in PartitionAlloc for sub-allocations

third_party/WebKit/Source/wtf/Partitions.cpp

Index: third_party/WebKit/Source/wtf/Partitions.cpp
diff --git a/third_party/WebKit/Source/wtf/Partitions.cpp b/third_party/WebKit/Source/wtf/Partitions.cpp
index 6e28e1d859aa50f0c9d4e05615fb524483ec681e..2841d9de0fd80130db1642f907b50f2a654c8343 100644
--- a/third_party/WebKit/Source/wtf/Partitions.cpp
+++ b/third_party/WebKit/Source/wtf/Partitions.cpp
@@ -47,6 +47,8 @@ SizeSpecificPartitionAllocator<3328> Partitions::m_nodeAllocator;
 SizeSpecificPartitionAllocator<1024> Partitions::m_layoutAllocator;
 HistogramEnumerationFunction Partitions::m_histogramEnumeration = nullptr;
 
+const char* Partitions::m_allocatorPoolNameForTracing = nullptr;
+
 void Partitions::initialize()
 {
     spinLockLock(&s_initializationLock);