Make RenderFrameHostManager swap RenderFrameHosts, not RenderViewHosts.

content/browser/web_contents/web_contents_impl_unittest.cc

Index: content/browser/web_contents/web_contents_impl_unittest.cc
diff --git a/content/browser/web_contents/web_contents_impl_unittest.cc b/content/browser/web_contents/web_contents_impl_unittest.cc
index 1be4a3c00269a36c10de980f323f73362195a77e..72aa6a09f2be6d3055fa532f4400201f03b3be38 100644
--- a/content/browser/web_contents/web_contents_impl_unittest.cc
+++ b/content/browser/web_contents/web_contents_impl_unittest.cc
@@ -181,12 +181,6 @@ class TestInterstitialPage : public InterstitialPageImpl {
   }
 
  protected:
-  virtual RenderViewHost* CreateRenderViewHost() OVERRIDE {
-    return new TestRenderViewHost(
-        SiteInstance::Create(web_contents()->GetBrowserContext()),
-        this, this, this, MSG_ROUTING_NONE, MSG_ROUTING_NONE, false);
-  }
-
   virtual WebContentsView* CreateWebContentsView() OVERRIDE {
     return NULL;
   }