Fixing blink gc dump provider to have thread id in path for single process mode.

Source/platform/heap/BlinkGCMemoryDumpProvider.cpp

Index: Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
diff --git a/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp b/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
index 9878d7c1f370bac505c6f9c69a809dfe99295691..af8dbfe9d6e6fd2d9169c176875989545416ff3c 100644
--- a/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
+++ b/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
@@ -9,6 +9,7 @@
 #include "public/platform/WebMemoryAllocatorDump.h"
 #include "public/platform/WebProcessMemoryDump.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/Threading.h"
 
 namespace blink {
 
@@ -20,11 +21,13 @@ BlinkGCMemoryDumpProvider* BlinkGCMemoryDumpProvider::instance()
 
 bool BlinkGCMemoryDumpProvider::onMemoryDump(blink::WebProcessMemoryDump* memoryDump)
 {
-    WebMemoryAllocatorDump* allocatorDump = memoryDump->createMemoryAllocatorDump("blink_gc");
+    String dumpName = String::format("blink_gc/thread_%lu", static_cast<unsigned long>(WTF::currentThread()));
+    WebMemoryAllocatorDump* allocatorDump = memoryDump->createMemoryAllocatorDump(dumpName);
     allocatorDump->AddScalar("size", "bytes", Heap::allocatedSpace());
 
-    WebMemoryAllocatorDump* objectsDump = memoryDump->createMemoryAllocatorDump("blink_gc/allocated_objects");
-    objectsDump->AddScalar("size", "bytes", Heap::allocatedObjectSize());
+    dumpName.append("/allocated_objects");
+    WebMemoryAllocatorDump* objectsDump = memoryDump->createMemoryAllocatorDump(dumpName);
+    objectsDump->AddScalar("size", "bytes", Heap::allocatedObjectSize() + Heap::markedObjectSize());
     objectsDump->AddScalar("estimated_live_object_size", "bytes", Heap::estimatedLiveObjectSize());
 
     return true;