Initialize RenderWidget(Host)(View)s with correct visibility state

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index 86b51a24bdb46401b9e1c727919e14073f70ad2e..ac3000130ba2e5788e967f1d23f875ab24978bf3 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -92,6 +92,9 @@ class WebContents : public PageNavigator,
     // Initial size of the new WebContent's view. Can be (0, 0) if not needed.
     gfx::Size initial_size;
 
+    // True if the contents should be initially hidden.
+    bool initially_hidden;
+
     // Used to specify the location context which display the new view should
     // belong. This can be NULL if not needed.
     gfx::NativeView context;