[WIP] Fix history.replaceState() not propagating back favicons

chrome/browser/favicon/content_favicon_driver_browsertest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/favicon/content/content_favicon_driver.h"
 
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
@@ skipping 425 matching lines @@
       ui_test_utils::BROWSER_TEST_NONE);
   waiter.Wait();
 
   EXPECT_NE(nullptr,
             GetFaviconForPageURL(url, favicon_base::FAVICON).bitmap_data);
   EXPECT_NE(
       nullptr,
       GetFaviconForPageURL(landing_url, favicon_base::FAVICON).bitmap_data);
 }
 
+// Test that a page which uses JavaScript's history.replaceState() to update
+// the URL in the omnibox (and history) gets associated favicons.
+IN_PROC_BROWSER_TEST_F(ContentFaviconDriverTest,
+                       AssociateIconWithInitialPageIconDespiteReplaceState) {
+  ASSERT_TRUE(embedded_test_server()->Start());
+  GURL url =
+      embedded_test_server()->GetURL("/favicon/replacestate_with_favicon.html");
+  GURL replacestate_url = embedded_test_server()->GetURL(
+      "/favicon/replacestate_with_favicon_replaced.html");
+
+  PendingTaskWaiter waiter(web_contents(), replacestate_url);
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), url, WindowOpenDisposition::CURRENT_TAB,
+      ui_test_utils::BROWSER_TEST_NONE);
+  waiter.Wait();
+
+  EXPECT_NE(nullptr,
+            GetFaviconForPageURL(url, favicon_base::FAVICON).bitmap_data);
+  EXPECT_NE(nullptr,
+            GetFaviconForPageURL(replacestate_url, favicon_base::FAVICON)
+                .bitmap_data);
+}
+
 #if defined(OS_ANDROID)
 IN_PROC_BROWSER_TEST_F(ContentFaviconDriverTest,
                        LoadIconFromWebManifestDespitePushState) {
   base::test::ScopedFeatureList override_features;
   override_features.InitAndEnableFeature(favicon::kFaviconsFromWebManifest);
 
   ASSERT_TRUE(embedded_test_server()->Start());
   GURL url =
       embedded_test_server()->GetURL("/favicon/pushstate_with_manifest.html");
   GURL pushstate_url = embedded_test_server()->GetURL(
       "/favicon/pushstate_with_manifest.html#pushState");
 
   PendingTaskWaiter waiter(web_contents(), /*required_url=*/pushstate_url);
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), url, WindowOpenDisposition::CURRENT_TAB,
       ui_test_utils::BROWSER_TEST_NONE);
   waiter.Wait();
 
   EXPECT_NE(nullptr,
             GetFaviconForPageURL(pushstate_url, favicon_base::WEB_MANIFEST_ICON)
                 .bitmap_data);
 }
 #endif