Add most missing blink files to .gn files

third_party/WebKit/Source/core/events/BUILD.gn

 # 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.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("events") {
   sources = [
+    "AddEventListenerOptionsDefaults.h",
     "AddEventListenerOptionsResolved.cpp",
     "AddEventListenerOptionsResolved.h",
     "AnimationEvent.cpp",
     "AnimationEvent.h",
     "AnimationPlaybackEvent.cpp",
     "AnimationPlaybackEvent.h",
     "ApplicationCacheErrorEvent.cpp",
     "ApplicationCacheErrorEvent.h",
     "BeforeTextInsertedEvent.cpp",
     "BeforeTextInsertedEvent.h",
@@ skipping 52 matching lines @@
     "PointerEvent.cpp",
     "PointerEvent.h",
     "PointerEventFactory.cpp",
     "PointerEventFactory.h",
     "PopStateEvent.cpp",
     "PopStateEvent.h",
     "ProgressEvent.cpp",
     "ProgressEvent.h",
     "PromiseRejectionEvent.cpp",
     "PromiseRejectionEvent.h",
+    "RegisteredEventListener.h",
     "RelatedEvent.cpp",
     "RelatedEvent.h",
     "ResourceProgressEvent.cpp",
     "ResourceProgressEvent.h",
     "ScopedEventQueue.cpp",
     "ScopedEventQueue.h",
     "SecurityPolicyViolationEvent.cpp",
     "SecurityPolicyViolationEvent.h",
     "TextEvent.cpp",
     "TextEvent.h",
+    "TextEventInputType.h",
     "TouchEvent.cpp",
     "TouchEvent.h",
     "TouchEventContext.cpp",
     "TouchEventContext.h",
     "TransitionEvent.cpp",
     "TransitionEvent.h",
     "TreeScopeEventContext.cpp",
     "TreeScopeEventContext.h",
     "UIEvent.cpp",
     "UIEvent.h",
     "UIEventWithKeyState.cpp",
     "UIEventWithKeyState.h",
     "VisualViewportResizeEvent.cpp",
     "VisualViewportResizeEvent.h",
     "VisualViewportScrollEvent.cpp",
     "VisualViewportScrollEvent.h",
     "WheelEvent.cpp",
     "WheelEvent.h",
     "WindowEventContext.cpp",
     "WindowEventContext.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }