Refactoring out the code in LayoutTreeAsText::writeLayoutObject.

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

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index 2027b69db4542c9f4a0ca01c41949b13fa9e4f5c..e0346928397dfe8d0ae3fb9a4fcac89e6c60f7b1 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -1361,6 +1361,9 @@ public:
     // Called before anonymousChild.setStyle(). Override to set custom styles for the child.
     virtual void updateAnonymousChildStyle(const LayoutObject& anonymousChild, ComputedStyle& style) const { }
 
+    // Returns a rect corresponding to this LayoutObject's bounds for use in debugging output
+    virtual LayoutRect debugRect() const;
+
     // Painters can use const methods only, except for these explicitly declared methods.
     class MutableForPainting {
     public: