Refactoring button field and its type

components/printing/test/print_web_view_helper_browsertest.cc

Index: components/printing/test/print_web_view_helper_browsertest.cc
diff --git a/components/printing/test/print_web_view_helper_browsertest.cc b/components/printing/test/print_web_view_helper_browsertest.cc
index f047776cbd1d998bfc6892b8401ef550553e0632..7eb028b424bf0d7702ae6b0802510114bc3b72fa 100644
--- a/components/printing/test/print_web_view_helper_browsertest.cc
+++ b/components/printing/test/print_web_view_helper_browsertest.cc
@@ -334,7 +334,7 @@ TEST_F(MAYBE_PrintWebViewHelperTest, AllowUserOriginatedPrinting) {
   EXPECT_FALSE(bounds.IsEmpty());
   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 = bounds.CenterPoint().x();
   mouse_event.y = bounds.CenterPoint().y();
   mouse_event.clickCount = 1;
@@ -641,7 +641,7 @@ TEST_F(MAYBE_PrintWebViewHelperPreviewTest, PrintWithJavaScript) {
   EXPECT_FALSE(bounds.IsEmpty());
   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 = bounds.CenterPoint().x();
   mouse_event.y = bounds.CenterPoint().y();
   mouse_event.clickCount = 1;