PasswordAutofillAgentTest.InlineAutocomplete depends on details of style recalc timing

chrome/renderer/autofill/password_autofill_agent_browsertest.cc

 // Copyright (c) 2012 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/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/content/renderer/autofill_agent.h"
 #include "components/autofill/content/renderer/form_autofill_util.h"
@@ skipping 244 matching lines @@
                                         WebFrame* input_frame,
                                         WebInputElement& username_input) {
     username_input.setValue(WebString::fromUTF8(username));
     // The field must have focus or AutofillAgent will think the
     // change should be ignored.
     while (!username_input.focused())
       input_frame->document().frame()->view()->advanceFocus(false);
     if (move_caret_to_end)
       username_input.setSelectionRange(username.length(), username.length());
     autofill_agent_->textFieldDidChange(username_input);
-    // Processing is delayed because of a WebKit bug, see
-    // PasswordAutocompleteManager::TextDidChangeInTextField() for details.
+    // Processing is delayed because of a Blink bug:
+    // https://bugs.webkit.org/show_bug.cgi?id=16976
+    // See PasswordAutofillAgent::TextDidChangeInTextField() for details.
+
+    // Autocomplete will trigger a style recalculation when we put up the next
+    // frame, but we don't want to wait that long. Instead, trigger a style
+    // recalcuation manually after TextFieldDidChangeImpl runs.
+    base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
+        &PasswordAutofillAgentTest::LayoutMainFrame, base::Unretained(this)));
+
     base::MessageLoop::current()->RunUntilIdle();
   }
 
+  void LayoutMainFrame() {
+    GetMainFrame()->view()->layout();
+  }
+
   void SimulateUsernameChange(const std::string& username,
                               bool move_caret_to_end) {
     SimulateUsernameChangeForElement(username, move_caret_to_end,
                                      GetMainFrame(), username_element_);
   }
 
   // Tests that no suggestion popup is generated when the username_element_ is
   // edited.
   void ExpectNoSuggestionsPopup() {
     // The first test below ensures that the suggestions have been handled by
@@ skipping 709 matching lines @@
           &username_onchange_called));
   EXPECT_EQ(1, username_onchange_called);
   ASSERT_TRUE(
       ExecuteJavaScriptAndReturnIntValue(
           ASCIIToUTF16("passwordOnchangeCalled ? 1 : 0"),
           &password_onchange_called));
   EXPECT_EQ(1, password_onchange_called);
 }
 
 }  // namespace autofill