Add a browser test for access control for file: scheme

chrome/browser/net/errorpage_browsertest.cc

Index: chrome/browser/net/errorpage_browsertest.cc
diff --git a/chrome/browser/net/errorpage_browsertest.cc b/chrome/browser/net/errorpage_browsertest.cc
index a328daa7a7dfc4324c4c843aba8d212e2036ee76..d4ff2ac9decac2554b03f5887503fa77050eac21 100644
--- a/chrome/browser/net/errorpage_browsertest.cc
+++ b/chrome/browser/net/errorpage_browsertest.cc
@@ -24,6 +24,7 @@
 #include "build/build_config.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
+#include "chrome/browser/net/errorpage_test_util.h"
 #include "chrome/browser/net/net_error_diagnostics_dialog.h"
 #include "chrome/browser/net/url_request_mock_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ -89,32 +90,6 @@ using net::URLRequestTestJob;
 
 namespace {
 
-// Returns true if |text| is displayed on the page |browser| is currently
-// displaying.  Uses "innerText", so will miss hidden text, and whitespace
-// space handling may be weird.
-bool WARN_UNUSED_RESULT IsDisplayingText(Browser* browser,
-                                         const std::string& text) {
-  // clang-format off
-  std::string command = base::StringPrintf(R"(
-    function isNodeVisible(node) {
-      if (!node || node.classList.contains('hidden'))
-        return false;
-      if (!node.parentElement)
-        return true;
-      // Otherwise, we must check all parent nodes
-      return isNodeVisible(node.parentElement);
-    }
-    var node = document.evaluate("//*[contains(text(),'%s')]", document,
-      null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
-    domAutomationController.send(isNodeVisible(node));
-  )", text.c_str());
-  // clang-format on
-  bool result = false;
-  EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
-      browser->tab_strip_model()->GetActiveWebContents(), command, &result));
-  return result;
-}
-
 // Expands the more box on the currently displayed error page.
 void ToggleHelpBox(Browser* browser) {
   EXPECT_TRUE(content::ExecuteScript(
@@ -137,13 +112,14 @@ bool WARN_UNUSED_RESULT IsDisplayingDiagnosticsLink(Browser* browser) {
 // retrieved navigation corrections, and with the specified error string.
 void ExpectDisplayingLocalErrorPage(Browser* browser,
                                     const std::string& error_string) {
-  EXPECT_TRUE(IsDisplayingText(browser, error_string));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(browser, error_string));
 
   // Locally generated error pages should not have navigation corrections.
-  EXPECT_FALSE(IsDisplayingText(browser, "http://mock.http/title2.html"));
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(
+      browser, "http://mock.http/title2.html"));
 
   // Locally generated error pages should not have a link with search terms.
-  EXPECT_FALSE(IsDisplayingText(browser, "search query"));
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(browser, "search query"));
 }
 
 // Checks that the local error page is being displayed, without remotely
@@ -157,13 +133,14 @@ void ExpectDisplayingLocalErrorPage(Browser* browser, net::Error error_code) {
 // string.
 void ExpectDisplayingNavigationCorrections(Browser* browser,
                                            const std::string& error_string) {
-  EXPECT_TRUE(IsDisplayingText(browser, error_string));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(browser, error_string));
 
   // Check that the mock navigation corrections are displayed.
-  EXPECT_TRUE(IsDisplayingText(browser, "http://mock.http/title2.html"));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(
+      browser, "http://mock.http/title2.html"));
 
   // Check that the search terms are displayed as a link.
-  EXPECT_TRUE(IsDisplayingText(browser, "search query"));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(browser, "search query"));
 
   // The diagnostics button isn't displayed when corrections were
   // retrieved from a remote server.
@@ -998,7 +975,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageTest, StaleCacheStatus) {
   // With no navigation corrections to load, there's only one navigation.
   ui_test_utils::NavigateToURL(browser(), test_url);
   EXPECT_TRUE(ProbeStaleCopyValue(true));
-  EXPECT_TRUE(IsDisplayingText(browser(), GetShowSavedButtonLabel()));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(browser(),
+                                                    GetShowSavedButtonLabel()));
   EXPECT_NE(base::ASCIIToUTF16("Nocache Test Page"),
             browser()->tab_strip_model()->GetActiveWebContents()->GetTitle());
 
@@ -1014,7 +992,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageTest, StaleCacheStatus) {
   // that there is no cached copy.
   ui_test_utils::NavigateToURLWithPost(browser(), test_url);
   EXPECT_TRUE(ProbeStaleCopyValue(false));
-  EXPECT_FALSE(IsDisplayingText(browser(), GetShowSavedButtonLabel()));
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(
+      browser(), GetShowSavedButtonLabel()));
   EXPECT_EQ(0, link_doctor_interceptor()->num_requests());
 
   // Clear the cache and reload the same URL; confirm the error page is told
@@ -1026,7 +1005,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageTest, StaleCacheStatus) {
                   content::BrowsingDataRemover::ORIGIN_TYPE_UNPROTECTED_WEB);
   ui_test_utils::NavigateToURL(browser(), test_url);
   EXPECT_TRUE(ProbeStaleCopyValue(false));
-  EXPECT_FALSE(IsDisplayingText(browser(), GetShowSavedButtonLabel()));
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(
+      browser(), GetShowSavedButtonLabel()));
   EXPECT_EQ(0, link_doctor_interceptor()->num_requests());
 }
 
@@ -1130,7 +1110,7 @@ IN_PROC_BROWSER_TEST_F(ErrorPageAutoReloadTest, ManualReloadNotSuppressed) {
   EXPECT_EQ(2, interceptor()->requests());
 
   ToggleHelpBox(browser());
-  EXPECT_TRUE(IsDisplayingText(
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(
       browser(), l10n_util::GetStringUTF8(
                      IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER)));
 
@@ -1140,7 +1120,7 @@ IN_PROC_BROWSER_TEST_F(ErrorPageAutoReloadTest, ManualReloadNotSuppressed) {
   web_contents->GetMainFrame()->ExecuteJavaScriptForTests(
       base::ASCIIToUTF16("document.getElementById('reload-button').click();"));
   nav_observer.Wait();
-  EXPECT_FALSE(IsDisplayingText(
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(
       browser(), l10n_util::GetStringUTF8(
                      IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER)));
 }
@@ -1280,7 +1260,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageNavigationCorrectionsFailTest,
 
   ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(
       browser(), test_url, 2);
-  EXPECT_TRUE(IsDisplayingText(browser(), GetShowSavedButtonLabel()));
+  EXPECT_TRUE(errorpage_test_util::IsDisplayingText(browser(),
+                                                    GetShowSavedButtonLabel()));
   EXPECT_TRUE(ProbeStaleCopyValue(true));
 
   // Confirm that loading the stale copy from the cache works.
@@ -1301,7 +1282,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageNavigationCorrectionsFailTest,
   ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(
       browser(), test_url, 2);
   EXPECT_TRUE(ProbeStaleCopyValue(false));
-  EXPECT_FALSE(IsDisplayingText(browser(), GetShowSavedButtonLabel()));
+  EXPECT_FALSE(errorpage_test_util::IsDisplayingText(
+      browser(), GetShowSavedButtonLabel()));
 }
 
 class ErrorPageOfflineTest : public ErrorPageTest {
@@ -1504,7 +1486,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageForIDNTest, IDN) {
       browser(),
       URLRequestFailedJob::GetMockHttpUrlForHostname(net::ERR_UNSAFE_PORT,
                                                      kHostname));
-  EXPECT_TRUE(IsDisplayingText(browser(), kHostnameJSUnicode));
+  EXPECT_TRUE(
+      errorpage_test_util::IsDisplayingText(browser(), kHostnameJSUnicode));
 }
 
 // Make sure HTTP/0.9 is disabled on non-default ports by default.
@@ -1545,7 +1528,8 @@ IN_PROC_BROWSER_TEST_F(ErrorPageWithHttp09OnNonDefaultPortsTest,
   ui_test_utils::NavigateToURL(
       browser(), embedded_test_server()->GetURL(std::string("/echo-raw?") +
                                                 kHttp09Response));
-  EXPECT_TRUE(IsDisplayingText(browser(), kHttp09Response));
+  EXPECT_TRUE(
+      errorpage_test_util::IsDisplayingText(browser(), kHttp09Response));
 }
 
 }  // namespace