New WebKitBrowserTest for content_shell not providing a prerenderer client.

content/browser/webkit_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 "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/web_contents.h"
 #include "content/shell/shell.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "content/test/net/url_request_abort_on_end_job.h"
@@ skipping 37 matching lines @@
 IN_PROC_BROWSER_TEST_F(WebKitBrowserTest, XsltBadImport) {
   ASSERT_TRUE(test_server()->Start());
   URLRequestAbortOnEndJob::AddUrlHandler();
   GURL url = test_server()->GetURL(kXsltBadImportPage);
 
   NavigateToURL(shell(), url);
 
   EXPECT_FALSE(shell()->web_contents()->IsCrashed());
 }
 
+// This is a browser test because DumpRenderTree has a PrerendererClient
+// implementation, and the purpose of this test is to ensure that content_shell
+// does not crash when prerender elements are encountered with no Prererering
+// implementation supplied to WebKit.
+
+// TODO(gavinp,jochen): This browser_test depends on there not being a
+// prerendering client and prerendering platform provided by the test_shell.
+// But both will exist when we use content_shell to run layout tests. We must
+// then add a mechanism to start content_shell without these, or else this
+// test is not very interesting.
+const char kPrerenderNoCrashPage[] =
+    "files/prerender/prerender-no-crash.html";
+IN_PROC_BROWSER_TEST_F(WebKitBrowserTest, PrerenderNoCrash) {
+  ASSERT_TRUE(test_server()->Start());
+  GURL url = test_server()->GetURL(kPrerenderNoCrashPage);
+
+  NavigateToURL(shell(), url);
+
+  EXPECT_FALSE(shell()->web_contents()->IsCrashed());
+}
+
 }  // namespace content