Collapse the API surface on WebInputEvent via accessor functions.

components/printing/test/print_web_view_helper_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 "components/printing/renderer/print_web_view_helper.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <tuple>
@@ skipping 322 matching lines @@
   VerifyPagesPrinted(false);
 
   // Try again as if user initiated, without resetting the print count.
   print_render_thread_->printer()->ResetPrinter();
   LoadHTML(kPrintOnUserAction);
   gfx::Size new_size(200, 100);
   Resize(new_size, false);
 
   gfx::Rect bounds = GetElementBounds("print");
   EXPECT_FALSE(bounds.IsEmpty());
-  blink::WebMouseEvent mouse_event;
-  mouse_event.type = blink::WebInputEvent::MouseDown;
+  blink::WebMouseEvent mouse_event(blink::WebInputEvent::MouseDown,
+                                   blink::WebInputEvent::NoModifiers,
+                                   blink::WebInputEvent::TimeStampForTesting);
   mouse_event.button = blink::WebMouseEvent::Button::Left;
   mouse_event.x = bounds.CenterPoint().x();
   mouse_event.y = bounds.CenterPoint().y();
   mouse_event.clickCount = 1;
   SendWebMouseEvent(mouse_event);
-  mouse_event.type = blink::WebInputEvent::MouseUp;
+  mouse_event.setType(blink::WebInputEvent::MouseUp);
   SendWebMouseEvent(mouse_event);
   ProcessPendingMessages();
 
   VerifyPageCount(1);
   VerifyPagesPrinted(true);
 }
 
 // Duplicate of OnPrintPagesTest only using javascript to print.
 TEST_F(MAYBE_PrintWebViewHelperTest, PrintWithJavascript) {
   PrintWithJavaScript();
@@ skipping 700 matching lines @@
 
   VerifyPrintFailed(true);
   VerifyPagesPrinted(false);
 }
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #endif  // !defined(OS_CHROMEOS)
 
 }  // namespace printing