Refactoring button field and its type

third_party/WebKit/Source/web/tests/WebViewTest.cpp

Index: third_party/WebKit/Source/web/tests/WebViewTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebViewTest.cpp b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
index 340521631ad19f081804fb958e67acbb0ae14ad8..c542443721ecc9ea3c9f7e82fa981a181ebd2ffb 100644
--- a/third_party/WebKit/Source/web/tests/WebViewTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
@@ -1853,7 +1853,7 @@ TEST_F(WebViewTest, BlinkCaretOnClosingContextMenu)
     // Note that we do not send MouseUp event here since it will be consumed
     // by the context menu once it shows up.
     WebMouseEvent mouseEvent;
-    mouseEvent.button = WebMouseEvent::ButtonRight;
+    mouseEvent.button = WebMouseEvent::Button::Right;
     mouseEvent.x = 1;
     mouseEvent.y = 1;
     mouseEvent.clickCount = 1;
@@ -2855,7 +2855,7 @@ TEST_F(WebViewTest, FirstUserGestureObservedMouseEvent)
     EXPECT_EQ(0, client.getUserGestureNotificationsCount());
 
     WebMouseEvent mouseEvent;
-    mouseEvent.button = WebMouseEvent::ButtonLeft;
+    mouseEvent.button = WebMouseEvent::Button::Left;
     mouseEvent.x = 1;
     mouseEvent.y = 1;
     mouseEvent.clickCount = 1;