Do not reset NavigationHandle when navigating same-page

chrome/browser/ssl/chrome_security_state_model_client_unittest.cc

Index: chrome/browser/ssl/chrome_security_state_model_client_unittest.cc
diff --git a/chrome/browser/ssl/chrome_security_state_model_client_unittest.cc b/chrome/browser/ssl/chrome_security_state_model_client_unittest.cc
index 711c17cfcf9155fadbad38030854769bb2c2b182..0bf0fdc44c62d18233ef9819bf0e0330151a6b3a 100644
--- a/chrome/browser/ssl/chrome_security_state_model_client_unittest.cc
+++ b/chrome/browser/ssl/chrome_security_state_model_client_unittest.cc
@@ -273,6 +273,10 @@ class ChromeSecurityStateModelClientHistogramTest
 
   void navigate_to_http() { NavigateAndCommit(GURL("http://example.test")); }
 
+  void navigate_to_different_http_page() {
+    NavigateAndCommit(GURL("http://example2.test"));
+  }
+
  private:
   ChromeSecurityStateModelClient* client_;
   DISALLOW_COPY_AND_ASSIGN(ChromeSecurityStateModelClientHistogramTest);
@@ -296,7 +300,7 @@ TEST_F(ChromeSecurityStateModelClientHistogramTest,
   histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 1);
 
   // Navigate to a new page and ensure a sample is recorded.
-  navigate_to_http();
+  navigate_to_different_http_page();
   histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 1);
   signal_password();
   histograms.ExpectUniqueSample(kHTTPBadHistogram, true, 2);
@@ -319,7 +323,7 @@ TEST_F(ChromeSecurityStateModelClientHistogramTest,
   histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 1);
 
   // Navigate to a new page and ensure a sample is recorded.
-  navigate_to_http();
+  navigate_to_different_http_page();
   histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 1);
   signal_password();
   histograms.ExpectUniqueSample(kHTTPBadHistogram, false, 2);