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third_party/WebKit/Source/platform/PurgeableVector.cpp

Index: third_party/WebKit/Source/platform/PurgeableVector.cpp
diff --git a/third_party/WebKit/Source/platform/PurgeableVector.cpp b/third_party/WebKit/Source/platform/PurgeableVector.cpp
index 01cb41f2d68ba3eb8369ba8546c29d8ccc748521..7c42cd5a6f5a58c09dd66e11bd11d17b2ac2cb2a 100644
--- a/third_party/WebKit/Source/platform/PurgeableVector.cpp
+++ b/third_party/WebKit/Source/platform/PurgeableVector.cpp
@@ -33,6 +33,7 @@
 
 #include "public/platform/Platform.h"
 #include "public/platform/WebDiscardableMemory.h"
+#include "public/platform/WebProcessMemoryDump.h"
 #include "wtf/Assertions.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
@@ -79,6 +80,19 @@ void PurgeableVector::reserveCapacity(size_t capacity)
     moveDataFromDiscardableToVector();
 }
 
+void PurgeableVector::onMemoryDump(const String& dumpName, WebProcessMemoryDump* memoryDump) const
+{
+    ASSERT(!(m_discardable && m_vector.size()));
+    if (m_discardable) {
+        WebMemoryAllocatorDump* dump = m_discardable->createMemoryAllocatorDump(dumpName, memoryDump);
+        dump->AddScalar("discardable_size", "bytes", m_discardableSize);
+    } else if (m_vector.size()) {
+        WebMemoryAllocatorDump* dump = memoryDump->createMemoryAllocatorDump(dumpName);
+        dump->AddScalar("size", "bytes", m_vector.size());
+        memoryDump->AddSuballocation(dump->guid(), String(WTF::Partitions::kAllocatedObjectPoolName));
+    }
+}
+
 void PurgeableVector::moveDataFromDiscardableToVector()
 {
     if (m_discardable) {