Remove PageOverlays.

sky/engine/public/web/WebView.h

Index: sky/engine/public/web/WebView.h
diff --git a/sky/engine/public/web/WebView.h b/sky/engine/public/web/WebView.h
index 5094ac70763ad2d29075b607cf1c0b665b3598eb..bc0b3a55833a32558757b5d8a9f1835b9506ba6e 100644
--- a/sky/engine/public/web/WebView.h
+++ b/sky/engine/public/web/WebView.h
@@ -45,7 +45,6 @@ class WebFrameClient;
 class WebGraphicsContext3D;
 class WebHitTestResult;
 class WebNode;
-class WebPageOverlay;
 class WebRange;
 class WebSettings;
 class WebSpellCheckClient;
@@ -290,20 +289,6 @@ public:
     virtual void setVisibilityState(WebPageVisibilityState visibilityState,
                                     bool isInitialState) { }
 
-    // PageOverlay ----------------------------------------------------------
-
-    // Adds/removes page overlay to this WebView. These functions change the
-    // graphical appearance of the WebView. WebPageOverlay paints the
-    // contents of the page overlay. It also provides an z-order number for
-    // the page overlay. The z-order number defines the paint order the page
-    // overlays. Page overlays with larger z-order number will be painted after
-    // page overlays with smaller z-order number. That is, they appear above
-    // the page overlays with smaller z-order number. If two page overlays have
-    // the same z-order number, the later added one will be on top.
-    virtual void addPageOverlay(WebPageOverlay*, int /*z-order*/) = 0;
-    virtual void removePageOverlay(WebPageOverlay*) = 0;
-
-
     // i18n -----------------------------------------------------------------
 
     // Inform the WebView that the accept languages have changed.