Refactoring button field and its type

chrome/browser/autofill/autofill_interactive_uitest.cc

 // Copyright (c) 2013 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 <string>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 380 matching lines @@
     ASSERT_TRUE(content::ExecuteScriptAndExtractInt(
         GetRenderViewHost(),
         "var bounds = document.getElementById('" +
             id +
             "').getBoundingClientRect();"
             "domAutomationController.send("
             "    Math.floor(bounds.top + bounds.height / 2));",
         &y));
     content::SimulateMouseClickAt(GetWebContents(),
                                   0,
-                                  blink::WebMouseEvent::ButtonLeft,
+                                  blink::WebMouseEvent::Button::Left,
                                   gfx::Point(x, y));
   }
 
   void ClickFirstNameField() {
     ASSERT_NO_FATAL_FAILURE(ClickElementWithId("firstname"));
   }
 
   // Make a pointless round trip to the renderer, giving the popup a chance to
   // show if it's going to. If it does show, an assert in
   // AutofillManagerTestDelegateImpl will trigger.
@@ skipping 1302 matching lines @@
   ASSERT_NO_FATAL_FAILURE(ui_test_utils::NavigateToURL(browser(),
       GURL(std::string(kDataURIPrefix) + kTestPasswordFormString)));
   ASSERT_TRUE(content::ExecuteScript(
       GetRenderViewHost(),
       "document.getElementById('user').value = 'user';"));
   FocusFieldByName("password");
   PasteStringAndWait("foobar");
 }
 
 }  // namespace autofill