Do not clear the favicon for an in-page navigation.

content/browser/frame_host/navigation_controller_impl_browsertest.cc

Index: content/browser/frame_host/navigation_controller_impl_browsertest.cc
diff --git a/content/browser/frame_host/navigation_controller_impl_browsertest.cc b/content/browser/frame_host/navigation_controller_impl_browsertest.cc
index 85afbdb2bea4c574c8b00ece48cf6f5c22954d1a..0412e2545faec36a0b20bb72f417f45bae5aeb33 100644
--- a/content/browser/frame_host/navigation_controller_impl_browsertest.cc
+++ b/content/browser/frame_host/navigation_controller_impl_browsertest.cc
@@ -6016,4 +6016,26 @@ IN_PROC_BROWSER_TEST_F(NavigationControllerBrowserTest,
                   "Referer: http://a.com:.*/form_that_posts_cross_site.html"));
 }
 
+// Check that the favicon is not cleared for navigating in-page.
+IN_PROC_BROWSER_TEST_F(NavigationControllerBrowserTest,
+                       InPageNavigationDoesNotClearFavicon) {
+  // Load a page and fake a favicon for it.
+  NavigationController& controller = shell()->web_contents()->GetController();
+  ASSERT_TRUE(NavigateToURL(shell(), GURL("data:text/html,page1")));
+  content::NavigationEntry* entry = controller.GetLastCommittedEntry();
+  ASSERT_TRUE(entry);
+  content::FaviconStatus& favicon_status = entry->GetFavicon();
+  favicon_status.valid = true;
+
+  ASSERT_TRUE(RendererLocationReplace(shell(), GURL("data:text/html,page1#")));
+  entry = controller.GetLastCommittedEntry();
+  content::FaviconStatus& favicon_status2 = entry->GetFavicon();
+  EXPECT_TRUE(favicon_status2.valid);
+
+  ASSERT_TRUE(RendererLocationReplace(shell(), GURL("data:text/html,page2")));
+  entry = controller.GetLastCommittedEntry();
+  content::FaviconStatus& favicon_status3 = entry->GetFavicon();
+  EXPECT_FALSE(favicon_status3.valid);
+}
+
 }  // namespace content