Get rid of the RenderViewType concept in content, since it was only used by Chrome. Store the enum…

content/browser/web_contents/interstitial_page_impl.cc

Index: content/browser/web_contents/interstitial_page_impl.cc
===================================================================
--- content/browser/web_contents/interstitial_page_impl.cc	(revision 138369)
+++ content/browser/web_contents/interstitial_page_impl.cc	(working copy)
@@ -628,10 +628,6 @@
   create_view_ = false;
 }
 
-content::ViewType InterstitialPageImpl::GetRenderViewType() const {
-  return content::VIEW_TYPE_INTERSTITIAL_PAGE;
-}
-
 gfx::Rect InterstitialPageImpl::GetRootWindowResizerRect() const {
   return gfx::Rect();
 }