Refactoring button field and its type (2nd try)

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 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 <queue>
 #include <set>
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 289 matching lines @@
       : web_contents_(web_contents) {}
 
   ~LeftMouseClick() {
     DCHECK(click_completed_);
   }
 
   void Click(const gfx::Point& point, int duration_ms) {
     DCHECK(click_completed_);
     click_completed_ = false;
     mouse_event_.type = blink::WebInputEvent::MouseDown;
-    mouse_event_.button = blink::WebMouseEvent::ButtonLeft;
+    mouse_event_.button = blink::WebMouseEvent::Button::Left;
     mouse_event_.x = point.x();
     mouse_event_.y = point.y();
     mouse_event_.modifiers = 0;
     const gfx::Rect offset = web_contents_->GetContainerBounds();
     mouse_event_.globalX = point.x() + offset.x();
     mouse_event_.globalY = point.y() + offset.y();
     mouse_event_.clickCount = 1;
     web_contents_->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(
         mouse_event_);
 
@@ skipping 448 matching lines @@
             base::StringPrintf("onAppCommand('%s');", message.c_str())));
 
     if (listener) {
       ASSERT_TRUE(listener->WaitUntilSatisfied());
     }
   }
 
   void OpenContextMenu(content::WebContents* web_contents) {
     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 = 1;
     mouse_event.y = 1;
     web_contents->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(
         mouse_event);
     mouse_event.type = blink::WebInputEvent::MouseUp;
     web_contents->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(
         mouse_event);
   }
 
   content::WebContents* GetGuestWebContents() {
@@ skipping 3026 matching lines @@
   gfx::Point embedder_origin =
       GetEmbedderWebContents()->GetContainerBounds().origin();
   guest_rect.Offset(-embedder_origin.x(), -embedder_origin.y());
 
   // Generate and send synthetic touch event.
   content::SimulateTouchPressAt(GetEmbedderWebContents(),
                                 guest_rect.CenterPoint());
   EXPECT_TRUE(aura_webview->HasFocus());
 }
 #endif