**NOTFORLANDING** New link rel=prerender API

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <deque>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 551 matching lines @@
     OpenDestURLWithJSImpl("MetaClick()");
 #else
     OpenDestURLWithJSImpl("CtrlClick()");
 #endif
   }
 
   void OpenDestURLViaWindowOpen() const {
     OpenDestURLWithJSImpl("WindowOpen()");
   }
 
+  void RemoveLinkElementAndNavigate() const {
+    OpenDestURLWithJSImpl("RemoveLinkElementAndNavigate()");
+  }
+
   void ClickToNextPageAfterPrerender(Browser* browser) {
     ui_test_utils::WindowedNotificationObserver new_page_observer(
         content::NOTIFICATION_NAV_ENTRY_COMMITTED,
         content::NotificationService::AllSources());
     RenderViewHost* render_view_host =
         browser->GetSelectedWebContents()->GetRenderViewHost();
     render_view_host->ExecuteJavascriptInWebFrame(
         string16(),
         ASCIIToUTF16("ClickOpenLink()"));
     new_page_observer.Wait();
@@ skipping 281 matching lines @@
 };
 
 // Checks that a page is correctly prerendered in the case of a
 // <link rel=prerender> tag and then loaded into a tab in response to a
 // navigation.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderPage) {
   PrerenderTestURL("files/prerender/prerender_page.html", FINAL_STATUS_USED, 1);
   NavigateToDestURL();
 }
 
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderPageRemovingLink) {

[cbentzel, 2012/03/29 00:13:37]

Should probably have some tests for multiple link elements.

[gavinp, 2012/04/20 17:54:14]

Done.

+  set_loader_path("files/prerender/prerender_loader_removing_link.html");
+  PrerenderTestURL("files/prerender/prerender_page.html",
+                   FINAL_STATUS_CANCELLED, 1);
+  RemoveLinkElementAndNavigate();
+}
+
 // Checks that the visibility API works.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderVisibility) {
   PrerenderTestURL("files/prerender/prerender_visibility.html",
                    FINAL_STATUS_USED,
                    1);
   NavigateToDestURL();
 }
 
 // Checks that the visibility API works when the prerender is quickly opened
 // in a new tab before it stops loading.
@@ skipping 1159 matching lines @@
   WebContents* web_contents = browser()->GetSelectedWebContents();
   bool display_test_result = false;
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScriptAndExtractBool(
       web_contents->GetRenderViewHost(), L"",
       L"DidDisplayReallyPass()",
       &display_test_result));
   ASSERT_TRUE(display_test_result);
 }
 
 }  // namespace prerender