mojo: Plumb through sufficient context to make real blink::WebInputEvents.

ui/events/win/events_win.cc

Index: ui/events/win/events_win.cc
diff --git a/ui/events/win/events_win.cc b/ui/events/win/events_win.cc
index 6365c76b673900248bc06b8cef96849a0d87ddfa..a1c512e9944cbfbb85c5f14559fa6e1263bd977e 100644
--- a/ui/events/win/events_win.cc
+++ b/ui/events/win/events_win.cc
@@ -264,6 +264,18 @@ bool IsCharFromNative(const base::NativeEvent& native_event) {
   return native_event.message == WM_CHAR;
 }
 
+uint32 WindowsKeycodeFromNative(const base::NativeEvent& native_event) {
+  return static_cast<uint32>(native_event.wParam);
+}
+
+uint16 TextFromNative(const base::NativeEvent& native_event) {
+  return static_cast<uint32>(native_event.wParam);
+}
+
+uint16 UnmodifiedTextFromNative(const base::NativeEvent& native_event) {
+  return static_cast<uint32>(native_event.wParam);
+}
+
 int GetChangedMouseButtonFlagsFromNative(
     const base::NativeEvent& native_event) {
   switch (GetNativeMouseKey(native_event)) {