Remove a bunch of frame-level scrolling machinery.

sky/engine/web/ChromeClientImpl.cpp

Index: sky/engine/web/ChromeClientImpl.cpp
diff --git a/sky/engine/web/ChromeClientImpl.cpp b/sky/engine/web/ChromeClientImpl.cpp
index 913f4083aefdcf9d3511c6f78af341dff049beb8..e05b3069dc2430b68506f2b1d621cc83db3e1ed1 100644
--- a/sky/engine/web/ChromeClientImpl.cpp
+++ b/sky/engine/web/ChromeClientImpl.cpp
@@ -343,11 +343,6 @@ String ChromeClientImpl::acceptLanguages()
     return m_webView->client()->acceptLanguages();
 }
 
-bool ChromeClientImpl::paintCustomOverhangArea(GraphicsContext* context, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect)
-{
-    return false;
-}
-
 GraphicsLayerFactory* ChromeClientImpl::graphicsLayerFactory() const
 {
     return m_webView->graphicsLayerFactory();