Prerendered pages are swapped in at browser::Navigate time.

chrome/browser/prerender/prerender_manager_unittest.cc

Index: chrome/browser/prerender/prerender_manager_unittest.cc
diff --git a/chrome/browser/prerender/prerender_manager_unittest.cc b/chrome/browser/prerender/prerender_manager_unittest.cc
index 8eb1aec9b60a601a3f693dc900f9f1f9b6659ea1..73c27e51595a1064c2e3c32e01b1d9b636519f5e 100644
--- a/chrome/browser/prerender/prerender_manager_unittest.cc
+++ b/chrome/browser/prerender/prerender_manager_unittest.cc
@@ -236,13 +236,7 @@ class PrerenderManagerTest : public testing::Test {
 TEST_F(PrerenderManagerTest, EmptyTest) {
   EXPECT_FALSE(prerender_manager()->MaybeUsePrerenderedPage(
       NULL,
-      GURL("http://www.google.com/"),
-      GURL()));
-
-  EXPECT_FALSE(prerender_manager()->MaybeUsePrerenderedPage(
-      NULL,
-      GURL("http://www.google.com/search"),
-      GURL("http://www.google.com")));
+      GURL("http://www.google.com/")));
 }
 
 TEST_F(PrerenderManagerTest, FoundTest) {