Remove marking visitors' shouldMarkObject().

third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h

Index: third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h
diff --git a/third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h b/third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h
index 1eb9eb6a373633da2ad9a75eddb358a10ff70d4c..4a099de93c9b61ff6d196011a6172e1a875f0e5f 100644
--- a/third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h
+++ b/third_party/WebKit/Source/platform/heap/InlinedGlobalMarkingVisitor.h
@@ -50,11 +50,6 @@ class InlinedGlobalMarkingVisitor final
  protected:
   // Methods to be called from MarkingVisitorImpl.
 
-  inline bool shouldMarkObject(const void*) const {
-    // As this is global marking visitor, we need to mark all objects.
-    return true;
-  }
-
   inline Visitor::MarkingMode getMarkingMode() const { return m_markingMode; }
 
  private: