Do-not-commit: Count layout tree memory usage

third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h

Index: third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h b/third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h
index 1c55273080f97d5631fb05d8e7237201b102a0ef..cef53712c994734a686e25c8bce1f1a1b664dc2e 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTextControlSingleLine.h
@@ -46,6 +46,8 @@ class LayoutTextControlSingleLine : public LayoutTextControl {
   Element* editingViewPortElement() const;
   HTMLInputElement* inputElement() const;
 
+  char objectSize() const override { return sizeof(this); }
+
  private:
   bool hasControlClip() const final;
   LayoutRect controlClipRect(const LayoutPoint&) const final;
@@ -98,6 +100,7 @@ class LayoutTextControlInnerEditor : public LayoutBlockFlow {
   bool shouldIgnoreOverflowPropertyForInlineBlockBaseline() const override {
     return true;
   }
+  char objectSize() const override { return sizeof(this); }
 
  private:
   bool isIntrinsicallyScrollable(