Handle should_replace_current_entry in prerender.

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index 7239181c9037cdbaa5a1ca74ec0cd72a95a5a4f5..e2d97d44d877f9add90f9f4a8f903460f321840f 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -3348,4 +3348,19 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderPageNewTab) {
   NavigateToDestURLInNewTab();
 }
 
+// Checks that prerenders honor |should_replace_current_entry|.
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderReplaceCurrentEntry) {
+  PrerenderTestURL("files/prerender/prerender_page.html", FINAL_STATUS_USED, 1);
+
+  content::OpenURLParams params(dest_url(), Referrer(), CURRENT_TAB,
+                                content::PAGE_TRANSITION_TYPED, false);
+  params.should_replace_current_entry = true;
+  NavigateToURLWithParams(params, false);
+
+  WebContents* web_contents =
+      current_browser()->tab_strip_model()->GetActiveWebContents();
+  // First entry is about:blank, second is prerender_page.html.

[Charlie Reis, 2013/12/11 02:57:39]

Might as well add checks for these specific URLs in the history, to help catch
regressions.

[davidben, 2013/12/11 21:20:59]

Done.

+  EXPECT_EQ(2, web_contents->GetController().GetEntryCount());
+}
+
 }  // namespace prerender