[tracing] Change outer/inner size repr. in memory dumps (blink side)

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 7db5047e1e7f5b82101318b4ab4bb99047ba2e7c..9878d7c1f370bac505c6f9c69a809dfe99295691 100644
--- a/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
+++ b/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp
@@ -21,9 +21,12 @@ BlinkGCMemoryDumpProvider* BlinkGCMemoryDumpProvider::instance()
 bool BlinkGCMemoryDumpProvider::onMemoryDump(blink::WebProcessMemoryDump* memoryDump)
 {
     WebMemoryAllocatorDump* allocatorDump = memoryDump->createMemoryAllocatorDump("blink_gc");
-    allocatorDump->AddScalar("inner_size", "bytes", Heap::allocatedObjectSize());
-    allocatorDump->AddScalar("outer_size", "bytes", Heap::allocatedSpace());
-    allocatorDump->AddScalar("estimated_live_object_size", "bytes", Heap::estimatedLiveObjectSize());
+    allocatorDump->AddScalar("size", "bytes", Heap::allocatedSpace());
+
+    WebMemoryAllocatorDump* objectsDump = memoryDump->createMemoryAllocatorDump("blink_gc/allocated_objects");
+    objectsDump->AddScalar("size", "bytes", Heap::allocatedObjectSize());
+    objectsDump->AddScalar("estimated_live_object_size", "bytes", Heap::estimatedLiveObjectSize());
+
     return true;
 }