Fix beep when navigating/closing a page with find bar open

content/browser/find_request_manager_browsertest.cc

 // Copyright 2016 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 "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
@@ skipping 301 matching lines @@
   ASSERT_TRUE(ExecuteScript(shell(), script));
   delegate()->WaitForNextReply();
 
   // The number of matches should update automatically to include the matches
   // from the newly added frame.
   results = delegate()->GetFindResults();
   EXPECT_EQ(26, results.number_of_matches);
   EXPECT_EQ(5, results.active_match_ordinal);
 }
 
+IN_PROC_BROWSER_TEST_F(FindRequestManagerTest, MAYBE(RemoveFrame)) {
+  LoadAndWait("/find_with_frame_removal.html");
+
+  blink::WebFindOptions options;
+  Find("hello", options);
+  delegate()->WaitForFinalReply();
+  FindResults results = delegate()->GetFindResults();
+
+  EXPECT_EQ(last_request_id(), results.request_id);
+  EXPECT_EQ(2, results.number_of_matches);
+  EXPECT_EQ(1, results.active_match_ordinal);
+
+  // Remove the iframe. Make sure search results are updated, but that it's
+  // noted that the update was due to a frame removal so that we don't beep.
+  // See https://crbug.com/682299.
+  std::string script(
+      "var iframes = document.getElementsByTagName('iframe');\n"
+      "for (var i = 0; i < iframes.length; i++)\n"
+      "  iframes[i].parentNode.removeChild(iframes[i]);");
+  delegate()->MarkNextReply();
+  ASSERT_TRUE(ExecuteScript(shell(), script));
+  delegate()->WaitForNextReply();
+
+  results = delegate()->GetFindResults();
+  EXPECT_EQ(1, results.number_of_matches);
+  EXPECT_EQ(1, results.active_match_ordinal);
+  EXPECT_TRUE(results.was_frame_removal);
+}
+
 // Tests adding a frame during a find session where there were previously no
 // matches.
 IN_PROC_BROWSER_TEST_F(FindRequestManagerTest, MAYBE(AddFrameAfterNoMatches)) {
   TestNavigationObserver navigation_observer(contents());
   NavigateToURL(shell(), GURL("about:blank"));
   EXPECT_TRUE(navigation_observer.last_navigation_succeeded());
 
   blink::WebFindOptions default_options;
   Find("result", default_options);
   delegate()->WaitForFinalReply();
@@ skipping 276 matching lines @@
     delegate()->MarkNextReply();
     contents()->ActivateNearestFindResult(
         rects[order[i]].CenterPoint().x(), rects[order[i]].CenterPoint().y());
     delegate()->WaitForNextReply();
     EXPECT_EQ(order[i] + 1, delegate()->GetFindResults().active_match_ordinal);
   }
 }
 #endif  // defined(OS_ANDROID)
 
 }  // namespace content