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

chrome/browser/extensions/api/web_request/web_request_apitest.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 "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 255 matching lines @@
   ExtensionService* service =
       ExtensionSystem::Get(browser()->profile())->extension_service();
   const Extension* extension =
       service->GetExtensionById(last_loaded_extension_id(), false);
   GURL url = extension->GetResourceURL("newTab/a.html");
 
   ui_test_utils::NavigateToURL(browser(), url);
 
   // There's a link on a.html with target=_blank. Click on it to open it in a
   // new tab.
-  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 = 7;
   mouse_event.y = 7;
   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);
 
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, WebRequestDeclarative1) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_declarative1.html"))
       << message_;
 }
@@ skipping 352 matching lines @@
   ASSERT_TRUE(granter);
   granter->RevokeForTesting();
   base::RunLoop().RunUntilIdle();
   PerformXhrInFrame(main_frame, kHost, port, kXhrPath);
   EXPECT_EQ(xhr_count,
             GetWebRequestCountFromBackgroundPage(extension, profile()));
   EXPECT_EQ(BLOCKED_ACTION_WEB_REQUEST, runner->GetBlockedActions(extension));
 }
 
 }  // namespace extensions