Allow webview guests to skip WAR checks in ShouldAllowOpenURL (Merge to M58)

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index b57c6b770f99f9b6f6df361d70c35cebc060551d..39e770c59d8c9c4821feb39d52f98d8e4e2e08dc 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -3255,6 +3255,24 @@ IN_PROC_BROWSER_TEST_P(WebViewTest, LoadWebviewAccessibleResource) {
              "web_view/load_webview_accessible_resource", NEEDS_TEST_SERVER);
 }
 
+// Tests that a WebView can reload a WebView accessible resource. See
+// https://crbug.com/691941.
+IN_PROC_BROWSER_TEST_P(WebViewTest, ReloadWebviewAccessibleResource) {
+  TestHelper("testReloadWebviewAccessibleResource",
+             "web_view/load_webview_accessible_resource", NEEDS_TEST_SERVER);
+
+  content::WebContents* embedder_contents = GetEmbedderWebContents();
+  content::WebContents* web_view_contents =
+      GetGuestViewManager()->GetLastGuestCreated();
+  ASSERT_TRUE(embedder_contents);
+  ASSERT_TRUE(web_view_contents);
+
+  GURL embedder_url(embedder_contents->GetLastCommittedURL());
+  GURL webview_url(embedder_url.GetOrigin().spec() + "assets/foo.html");
+
+  EXPECT_EQ(webview_url, web_view_contents->GetLastCommittedURL());
+}
+
 IN_PROC_BROWSER_TEST_P(WebViewAccessibilityTest, LoadWebViewAccessibility) {
   LoadAppWithGuest("web_view/focus_accessibility");
   content::WebContents* web_contents = GetFirstAppWindowWebContents();