Delete a bunch of noop paint invalidation code.

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 39cdb465bf65d2ab84aab8e9e7ba6eb9d73fbc61..91884a7017462121b1e758e43d04e0ef2e65d446 100644
--- a/sky/engine/web/ChromeClientImpl.cpp
+++ b/sky/engine/web/ChromeClientImpl.cpp
@@ -265,18 +265,6 @@ bool ChromeClientImpl::tabsToLinks()
     return m_webView->tabsToLinks();
 }
 
-void ChromeClientImpl::invalidateContentsAndRootView(const IntRect& updateRect)
-{
-    if (updateRect.isEmpty())
-        return;
-    m_webView->invalidateRect(updateRect);
-}
-
-void ChromeClientImpl::invalidateContentsForSlowScroll(const IntRect& updateRect)
-{
-    invalidateContentsAndRootView(updateRect);
-}
-
 void ChromeClientImpl::scheduleAnimation()
 {
     m_webView->scheduleAnimation();