[Prerender] Ignores resources with unsupported schemes for Offline reqs

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 <stddef.h>
 #include <deque>
 #include <set>
 #include <string>
 #include <unordered_map>
 #include <utility>
@@ skipping 2805 matching lines @@
   base::StringPairs replacement_text;
   replacement_text.push_back(
       std::make_pair("REPLACE_WITH_IMAGE_URL", image_url.spec()));
   std::string replacement_path;
   net::test_server::GetFilePathWithReplacements(
       "/prerender/prerender_with_image.html", replacement_text,
       &replacement_path);
   PrerenderTestURL(replacement_path, FINAL_STATUS_UNSUPPORTED_SCHEME, 0);
 }
 
+// Checks that non-http/https/chrome-extension subresource does not cancel the
+// prerender.
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
+                       PrerenderSubresourceUnsupportedSchemeForOffline) {
+  // Set up a page with unsupported subresource.
+  GURL image_url = GURL("invalidscheme://www.google.com/test.jpg");
+  base::StringPairs replacement_text;
+  replacement_text.push_back(
+      std::make_pair("REPLACE_WITH_IMAGE_URL", image_url.spec()));
+  std::string replacement_path;
+  net::test_server::GetFilePathWithReplacements(
+      "/prerender/prerender_with_image.html", replacement_text,
+      &replacement_path);
+  const GURL url = src_server()->GetURL(MakeAbsolute(replacement_path));
+
+  // Navigate to about:blank to get the session storage namespace.
+  ui_test_utils::NavigateToURL(current_browser(), GURL(url::kAboutBlankURL));
+  content::SessionStorageNamespace* storage_namespace =
+      GetActiveWebContents()
+          ->GetController()
+          .GetDefaultSessionStorageNamespace();
+
+  std::unique_ptr<TestPrerender> test_prerender =
+      prerender_contents_factory()->ExpectPrerenderContents(
+          FINAL_STATUS_APP_TERMINATING);
+
+  std::unique_ptr<PrerenderHandle> prerender_handle(
+      GetPrerenderManager()->AddPrerenderForOffline(url, storage_namespace,
+                                                    gfx::Size(640, 480)));
+  ASSERT_EQ(prerender_handle->contents(), test_prerender->contents());
+  test_prerender->WaitForLoads(1);
+}
+
 // Ensure that about:blank is permitted for any subresource.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
                        PrerenderAllowAboutBlankSubresource) {
   GURL image_url = GURL("about:blank");
   base::StringPairs replacement_text;
   replacement_text.push_back(
       std::make_pair("REPLACE_WITH_IMAGE_URL", image_url.spec()));
   std::string replacement_path;
   net::test_server::GetFilePathWithReplacements(
       "/prerender/prerender_with_image.html", replacement_text,
@@ skipping 946 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents();
   bool display_test_result = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(web_contents,
                                                    "DidDisplayReallyPass()",
                                                    &display_test_result));
   ASSERT_TRUE(display_test_result);
 }
 #endif  // !defined(DISABLE_NACL)
 
 }  // namespace prerender