Remove REM units.

sky/engine/core/dom/StyleEngine.h

Index: sky/engine/core/dom/StyleEngine.h
diff --git a/sky/engine/core/dom/StyleEngine.h b/sky/engine/core/dom/StyleEngine.h
index 1a2912b21f43d6b01c934e48d76262199559fe4d..0cdb36266f8444887b94b4da8749ba8f5fc8697d 100644
--- a/sky/engine/core/dom/StyleEngine.h
+++ b/sky/engine/core/dom/StyleEngine.h
@@ -88,9 +88,6 @@ public:
     // FIXME(sky): Remove this and ::first-line.
     bool usesFirstLineRules() const { return false; }
 
-    bool usesRemUnits() const { return m_usesRemUnits; }
-    void setUsesRemUnit(bool b) { m_usesRemUnits = b; }
-
     void didRemoveShadowRoot(ShadowRoot*);
     void appendActiveAuthorStyleSheets();
 
@@ -181,8 +178,6 @@ private:
     TreeScopeSet m_dirtyTreeScopes;
     TreeScopeSet m_activeTreeScopes;
 
-    bool m_usesRemUnits;
-
     bool m_ignorePendingStylesheets;
     OwnPtr<StyleResolver> m_resolver;