Revert of [KeyEvent Mac] Move WebInputEventFactory into chromium.

content/browser/renderer_host/web_input_event_aura.cc

Index: content/browser/renderer_host/web_input_event_aura.cc
diff --git a/content/browser/renderer_host/web_input_event_aura.cc b/content/browser/renderer_host/web_input_event_aura.cc
index 7745d4951f112add4a9eb67b2e8fd78c43d0335b..0a7e8b5d877e955472542f7e7c6d8fa444ddc875 100644
--- a/content/browser/renderer_host/web_input_event_aura.cc
+++ b/content/browser/renderer_host/web_input_event_aura.cc
@@ -31,6 +31,21 @@
   gfx::Point screen_location(event.root_location());
   spc->ConvertPointToScreen(root, &screen_location);
   return screen_location;
+}
+
+blink::WebInputEvent::Modifiers DomCodeToWebInputEventModifiers(
+    ui::DomCode code) {
+  switch (ui::KeycodeConverter::DomCodeToLocation(code)) {
+    case ui::DomKeyLocation::LEFT:
+      return blink::WebInputEvent::IsLeft;
+    case ui::DomKeyLocation::RIGHT:
+      return blink::WebInputEvent::IsRight;
+    case ui::DomKeyLocation::NUMPAD:
+      return blink::WebInputEvent::IsKeyPad;
+    case ui::DomKeyLocation::STANDARD:
+      break;
+  }
+  return static_cast<blink::WebInputEvent::Modifiers>(0);
 }
 
 blink::WebPointerProperties::PointerType EventPointerTypeToWebPointerType(