Add PrerenderStatusEvent on Prerenders

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 2267 matching lines @@
   // used to compare with PrerenderClearHistory test.
   EXPECT_EQ(1, GetHistoryLength());
 }
 
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderCancelAll) {
   PrerenderTestURL("files/prerender/prerender_page.html",
                    FINAL_STATUS_CANCELLED,
                    1);
   // Post a task to cancel all the prerenders.
   MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&CancelAllPrerenders, GetPrerenderManager()));
+      FROM_HERE, base::Bind(&CancelAllPrerenders, GetPrerenderManager()));
   content::RunMessageLoop();
   EXPECT_TRUE(GetPrerenderContents() == NULL);
 }
 
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderEvents) {
+  PrerenderTestURL("files/prerender/prerender_page.html",
+                   FINAL_STATUS_CANCELLED, 1);
+  WebContents* web_contents = chrome::GetActiveWebContents(browser());
+  bool received_prerender_started = false;
+  bool received_prerender_stopped = false;
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
+      web_contents->GetRenderViewHost(), L"",
+      L"window.domAutomationController.send(receivedPrerenderStartEvent)",
+      &received_prerender_started));
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
+      web_contents->GetRenderViewHost(), L"",
+      L"window.domAutomationController.send(receivedPrerenderStopEvent)",
+      &received_prerender_stopped));
+  ASSERT_TRUE(received_prerender_started);
+  ASSERT_FALSE(received_prerender_stopped);
+
+  MessageLoop::current()->PostTask(
+      FROM_HERE, base::Bind(&CancelAllPrerenders, GetPrerenderManager()));
+  content::RunMessageLoop();
+
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
+      web_contents->GetRenderViewHost(), L"",
+      L"window.domAutomationController.send(receivedPrerenderStartEvent)",
+      &received_prerender_started));
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
+      web_contents->GetRenderViewHost(), L"",
+      L"window.domAutomationController.send(receivedPrerenderStopEvent)",
+      &received_prerender_stopped));
+  ASSERT_TRUE(received_prerender_started);
+  ASSERT_TRUE(received_prerender_stopped);
+}
+
 // Prerendering and history tests.
 // The prerendered page is navigated to in several ways [navigate via
 // omnibox, click on link, key-modified click to open in background tab, etc],
 // followed by a navigation to another page from the prerendered page, followed
 // by a back navigation.
 
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderNavigateClickGoBack) {
   PrerenderTestURL("files/prerender/prerender_page_with_link.html",
                    FINAL_STATUS_USED,
                    1);
@@ skipping 216 matching lines @@
   channel_close_watcher.WatchChannel(
       chrome::GetActiveWebContents(browser())->GetRenderProcessHost());
   NavigateToDestURL();
   channel_close_watcher.WaitForChannelClose();
 
   ASSERT_TRUE(IsEmptyPrerenderLinkManager());
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 }  // namespace prerender