Delete a bunch of noop paint invalidation code.

sky/engine/core/page/Chrome.cpp

Index: sky/engine/core/page/Chrome.cpp
diff --git a/sky/engine/core/page/Chrome.cpp b/sky/engine/core/page/Chrome.cpp
index e8ee53098302e13c4996abf5e060af92aecb4a60..53598806e8697a583580825a4245afb94b5acc1f 100644
--- a/sky/engine/core/page/Chrome.cpp
+++ b/sky/engine/core/page/Chrome.cpp
@@ -51,16 +51,6 @@ PassOwnPtr<Chrome> Chrome::create(Page* page, ChromeClient* client)
     return adoptPtr(new Chrome(page, client));
 }
 
-void Chrome::invalidateContentsAndRootView(const IntRect& updateRect)
-{
-    m_client->invalidateContentsAndRootView(updateRect);
-}
-
-void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect)
-{
-    m_client->invalidateContentsForSlowScroll(updateRect);
-}
-
 IntRect Chrome::rootViewToScreen(const IntRect& rect) const
 {
     return m_client->rootViewToScreen(rect);