Refactoring button field and its type

chrome/browser/password_manager/password_manager_interactive_uitest.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 "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/password_manager_test_base.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "components/password_manager/core/browser/test_password_store.h"
@@ skipping 63 matching lines @@
   EXPECT_FALSE(password_store->IsEmpty());
 
   // Reload the original page to have the saved credentials autofilled.
   NavigationObserver reload_observer(WebContents());
   NavigateToFile("/password/signup_form.html");
   reload_observer.Wait();
 
   // Let the user interact with the page, so that DOM gets modification events,
   // needed for autofilling fields.
   content::SimulateMouseClickAt(
-      WebContents(), 0, blink::WebMouseEvent::ButtonLeft, gfx::Point(1, 1));
+      WebContents(), 0, blink::WebMouseEvent::Button::Left, gfx::Point(1, 1));
 
   WaitForElementValue("username_field", "temp");
   WaitForElementValue("password_field", "random");
 
   // Change username and submit. This should add the characters "ORARY" to the
   // already autofilled username.
   SimulateUserTypingInField(RenderViewHost(), WebContents(), "username_field");
   // TODO(gcasto): Not sure why this click is required.
   content::SimulateMouseClickAt(
-      WebContents(), 0, blink::WebMouseEvent::ButtonLeft, gfx::Point(1, 1));
+      WebContents(), 0, blink::WebMouseEvent::Button::Left, gfx::Point(1, 1));
   WaitForElementValue("username_field", "tempORARY");
 
   NavigationObserver second_observer(WebContents());
   std::unique_ptr<BubbleObserver> second_prompt_observer(
       new BubbleObserver(WebContents()));
   std::string submit =
       "document.getElementById('input_submit_button').click();";
   ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), submit));
   second_observer.Wait();
   EXPECT_TRUE(second_prompt_observer->IsShowingSavePrompt());
@@ skipping 11 matching lines @@
       password_store->stored_passwords();
   EXPECT_EQ(1u, stored_passwords.size());
   EXPECT_EQ(2u, stored_passwords.begin()->second.size());
   EXPECT_EQ(base::UTF8ToUTF16("temp"),
             (stored_passwords.begin()->second)[0].username_value);
   EXPECT_EQ(base::UTF8ToUTF16("tempORARY"),
             (stored_passwords.begin()->second)[1].username_value);
 }
 
 }  // namespace password_manager