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

chrome/browser/ui/cocoa/browser_window_utils_unittest.mm

 // Copyright 2016 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/strings/stringprintf.h"
 #import "chrome/browser/ui/cocoa/browser_window_utils.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using blink::WebInputEvent;
 
 const struct {
   ui::KeyboardCode key_code;
   int modifiers;
   bool is_text_editing_event;
 } kTextEditingEventTestCases[] = {
   {ui::VKEY_A, WebInputEvent::MetaKey, true},
   {ui::VKEY_V, WebInputEvent::MetaKey, true},
   {ui::VKEY_C, WebInputEvent::MetaKey, true},
   {ui::VKEY_X, WebInputEvent::MetaKey, true},
   {ui::VKEY_Z, WebInputEvent::MetaKey, true},
 
   {ui::VKEY_A, WebInputEvent::ShiftKey, false},
   {ui::VKEY_G, WebInputEvent::MetaKey, false},
 };
 
 TEST(BrowserWindowUtilsTest, TestIsTextEditingEvent) {
-  content::NativeWebKeyboardEvent event;
+  content::NativeWebKeyboardEvent event(WebInputEvent::Char,
+                                        WebInputEvent::NoModifiers,
+                                        WebInputEvent::TimeStampForTesting);
   EXPECT_FALSE([BrowserWindowUtils isTextEditingEvent:event]);
 
   for (const auto& test : kTextEditingEventTestCases) {
     SCOPED_TRACE(base::StringPrintf("key = %c, modifiers = %d",
                  test.key_code, test.modifiers));
-    content::NativeWebKeyboardEvent event;
+    content::NativeWebKeyboardEvent event(WebInputEvent::Char, test.modifiers,
+                                          WebInputEvent::TimeStampForTesting);
     event.windowsKeyCode = test.key_code;
-    event.modifiers = test.modifiers;
     EXPECT_EQ(test.is_text_editing_event,
               [BrowserWindowUtils isTextEditingEvent:event]);
   }
 }