Refactoring button field and its type

chrome/browser/download/download_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 "chrome/browser/download/download_browsertest.h"
 
 #include <stdint.h>
 #include <sstream>
 #include <utility>
 
@@ skipping 2583 matching lines @@
   std::unique_ptr<content::DownloadTestObserver> waiter(
       new content::DownloadTestObserverTerminal(
           DownloadManagerForBrowser(browser()), 1,
           content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_FAIL));
 
   // Click on the link with the alt key pressed. This will download the link
   // target.
   WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
   blink::WebMouseEvent mouse_event;
   mouse_event.type = blink::WebInputEvent::MouseDown;
-  mouse_event.button = blink::WebMouseEvent::ButtonLeft;
+  mouse_event.button = blink::WebMouseEvent::Button::Left;
   mouse_event.x = 15;
   mouse_event.y = 15;
   mouse_event.clickCount = 1;
   mouse_event.modifiers = blink::WebInputEvent::AltKey;
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
   mouse_event.type = blink::WebInputEvent::MouseUp;
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
 
   waiter->WaitForFinished();
   EXPECT_EQ(1u, waiter->NumDownloadsSeenInState(DownloadItem::COMPLETE));
@@ skipping 36 matching lines @@
           content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_FAIL));
 
   // Right-click on the link and choose Save Link As. This will download the
   // link target.
   ContextMenuNotificationObserver context_menu_observer(
       IDC_CONTENT_CONTEXT_SAVELINKAS);
 
   WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
   blink::WebMouseEvent mouse_event;
   mouse_event.type = blink::WebInputEvent::MouseDown;
-  mouse_event.button = blink::WebMouseEvent::ButtonRight;
+  mouse_event.button = blink::WebMouseEvent::Button::Right;
   mouse_event.x = 15;
   mouse_event.y = 15;
   mouse_event.clickCount = 1;
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
   mouse_event.type = blink::WebInputEvent::MouseUp;
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
 
   waiter->WaitForFinished();
   EXPECT_EQ(1u, waiter->NumDownloadsSeenInState(DownloadItem::COMPLETE));
   CheckDownloadStates(1, DownloadItem::COMPLETE);
@@ skipping 987 matching lines @@
           browser(), 1,
           content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_DENY));
   ui_test_utils::NavigateToURL(browser(), extension_url);
 
   observer->WaitForFinished();
 
   // Download shelf should close.
   EXPECT_FALSE(browser()->window()->IsDownloadShelfVisible());
 }
 #endif  // defined(OS_CHROMEOS)