Ensure GetSecurityStyle sets correct explanations for HTTP_SHOW_WARNING

chrome/browser/ssl/security_state_tab_helper_browser_tests.cc

Index: chrome/browser/ssl/security_state_tab_helper_browser_tests.cc
diff --git a/chrome/browser/ssl/security_state_tab_helper_browser_tests.cc b/chrome/browser/ssl/security_state_tab_helper_browser_tests.cc
index c66dfdc3ee89af6d61fd5e4ad008636f04436ae8..3ae0d3e85c65b37e2a40773e8f11e753581ee33e 100644
--- a/chrome/browser/ssl/security_state_tab_helper_browser_tests.cc
+++ b/chrome/browser/ssl/security_state_tab_helper_browser_tests.cc
@@ -796,6 +796,8 @@ IN_PROC_BROWSER_TEST_F(SecurityStateTabHelperTest,
       browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(contents);
 
+  SecurityStyleTestObserver observer(contents);
+
   SecurityStateTabHelper* helper =
       SecurityStateTabHelper::FromWebContents(contents);
   ASSERT_TRUE(helper);
@@ -805,6 +807,13 @@ IN_PROC_BROWSER_TEST_F(SecurityStateTabHelperTest,
   helper->GetSecurityInfo(&security_info);
   EXPECT_EQ(security_state::HTTP_SHOW_WARNING, security_info.security_level);
 
+  // Ensure that WebContentsObservers don't show an incorrect Form Not Secure
+  // explanation. Regression test for https://crbug.com/691412.
+  EXPECT_EQ(0u,
+            observer.latest_explanations().unauthenticated_explanations.size());
+  EXPECT_EQ(blink::WebSecurityStyleUnauthenticated,
+            observer.latest_security_style());
+
   content::NavigationEntry* entry = contents->GetController().GetVisibleEntry();
   ASSERT_TRUE(entry);
   EXPECT_EQ(content::SSLStatus::NORMAL_CONTENT, entry->GetSSL().content_status);