Add constructors to WebInputEvents and setters so we can work at cleaning up these public structs.

chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc b/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
index 94092618eba4fe0488cff46b90473f97aedeff24..fe3361f9d8345324e2912850446377ec51ab4143 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
@@ -206,8 +206,9 @@ IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest, RealMenu) {
       browser(), GURL("data:text/html,<a href='about:blank'>link</a>"));
 
   // Open a context menu.
-  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::Right;
   mouse_event.x = 15;
   mouse_event.y = 15;
@@ -218,7 +219,7 @@ IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest, RealMenu) {
   mouse_event.globalY = 15 + offset.y();
   mouse_event.clickCount = 1;
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
-  mouse_event.type = blink::WebInputEvent::MouseUp;
+  mouse_event.setType(blink::WebInputEvent::MouseUp);
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
 
   // The menu_observer will select "Open in new tab", wait for the new tab to
@@ -347,15 +348,16 @@ IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest, SuggestedFileName) {
            kSuggestedFilename + "'>link</a>"));
 
   // Open a context menu.
-  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::Right;
   mouse_event.x = 15;
   mouse_event.y = 15;
   content::WebContents* tab =
       browser()->tab_strip_model()->GetActiveWebContents();
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
-  mouse_event.type = blink::WebInputEvent::MouseUp;
+  mouse_event.setType(blink::WebInputEvent::MouseUp);
   tab->GetRenderViewHost()->GetWidget()->ForwardMouseEvent(mouse_event);
 
   // Wait for context menu to be visible.