Adding blink gc memory dump infrastructure for thread specific dumps.

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 c47c92bac6ba45ffcd42d4f139cde1877a0bc354..32e99e3b0ddd2d41608d02255369556e186d4d5b 100644
--- a/Source/platform/heap/ThreadState.cpp
+++ b/Source/platform/heap/ThreadState.cpp
@@ -379,6 +379,36 @@ void ThreadState::visitPersistents(Visitor* visitor)
     }
 }
 
+void ThreadState::dumpMemory()
+{
+#define SNAPSHOT_HEAP(HeapType)                                                                   \
+    {                                                                                             \
+        String allocatorBaseName;                                                                 \
+        if (isMainThread()) {                                                                     \
+            allocatorBaseName = String("blink_gc/thread_main/heaps/" #HeapType);                  \
+        }                                                                                         \
+        else {                                                                                    \
+            allocatorBaseName = String::format("blink_gc/thread_%ld/heaps/" #HeapType, m_thread); \
+        }                                                                                         \
+        m_heaps[HeapType##HeapIndex]->dumpMemory(allocatorBaseName);                              \
+    }
+
+    SNAPSHOT_HEAP(NormalPage1);
+    SNAPSHOT_HEAP(NormalPage2);
+    SNAPSHOT_HEAP(NormalPage3);
+    SNAPSHOT_HEAP(NormalPage4);

[haraken, 2015/05/26 12:21:59]

We recently added "EagerSweep" :) Please just add it here.

[ssid, 2015/05/27 13:15:06]

Done.

+    SNAPSHOT_HEAP(Vector1);
+    SNAPSHOT_HEAP(Vector2);
+    SNAPSHOT_HEAP(Vector3);
+    SNAPSHOT_HEAP(Vector4);
+    SNAPSHOT_HEAP(InlineVector);
+    SNAPSHOT_HEAP(HashTable);
+    SNAPSHOT_HEAP(LargeObject);
+    FOR_EACH_TYPED_HEAP(SNAPSHOT_HEAP);
+
+#undef SNAPSHOT_HEAP
+}
+
 #if ENABLE(GC_PROFILING)
 const GCInfo* ThreadState::findGCInfo(Address address)
 {