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

third_party/WebKit/Source/core/input/KeyboardEventManager.cpp

Index: third_party/WebKit/Source/core/input/KeyboardEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/KeyboardEventManager.cpp b/third_party/WebKit/Source/core/input/KeyboardEventManager.cpp
index 23b7ffd72a3b42f76c687d2d60988c6c39beb3d4..96d73d23f2f4b6c88138da0a09f4b3c8286363ae 100644
--- a/third_party/WebKit/Source/core/input/KeyboardEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/KeyboardEventManager.cpp
@@ -204,7 +204,7 @@ WebInputEventResult KeyboardEventManager::keyEvent(
 
   WebKeyboardEvent keyDownEvent = initialKeyEvent;
   if (keyDownEvent.type != WebInputEvent::RawKeyDown)
-    keyDownEvent.type = WebInputEvent::RawKeyDown;
+    keyDownEvent.setType(WebInputEvent::RawKeyDown);
   KeyboardEvent* keydown =
       KeyboardEvent::create(keyDownEvent, m_frame->document()->domWindow());
   if (matchedAnAccessKey)
@@ -244,7 +244,7 @@ WebInputEventResult KeyboardEventManager::keyEvent(
 #endif
 
   WebKeyboardEvent keyPressEvent = initialKeyEvent;
-  keyPressEvent.type = WebInputEvent::Char;
+  keyPressEvent.setType(WebInputEvent::Char);
   if (keyPressEvent.text[0] == 0)
     return WebInputEventResult::NotHandled;
   KeyboardEvent* keypress =