Remove the old text autosizer

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index 2380009fe81e4ad0e0b7b3168c6bca048046f73d..5695fb24c4a9b6134a1348fcf241ff6f3cf5779e 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -143,7 +143,6 @@ class StyleResolver;
 class StyleSheet;
 class StyleSheetList;
 class Text;
-class TextAutosizer;
 class Touch;
 class TouchList;
 class TransformSource;
@@ -960,9 +959,6 @@ public:
 
     IntSize initialViewportSize() const;
 
-    // There are currently two parallel autosizing implementations: TextAutosizer and FastTextAutosizer.
-    // See http://tinyurl.com/chromium-fast-autosizer for more details.
-    TextAutosizer* textAutosizer();
     FastTextAutosizer* fastTextAutosizer();
 
     PassRefPtrWillBeRawPtr<Element> createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionState&);
@@ -1355,7 +1351,6 @@ private:
 
     RefPtrWillBeMember<ScriptedAnimationController> m_scriptedAnimationController;
     OwnPtr<MainThreadTaskRunner> m_taskRunner;
-    OwnPtrWillBeMember<TextAutosizer> m_textAutosizer;
     OwnPtrWillBeMember<FastTextAutosizer> m_fastTextAutosizer;
 
     RefPtrWillBeMember<CustomElementRegistrationContext> m_registrationContext;