Split cocoa_event_utils in two parts.

ui/events/cocoa/cocoa_event_utils.mm

Index: ui/events/cocoa/cocoa_event_utils.mm
diff --git a/ui/base/cocoa/cocoa_event_utils.mm b/ui/events/cocoa/cocoa_event_utils.mm
similarity index 76%
rename from ui/base/cocoa/cocoa_event_utils.mm
rename to ui/events/cocoa/cocoa_event_utils.mm
index 55c885e5443e2a9977b9abcc561e6ec4e6b0e97d..2bfa6af0951d9ada2b2ddc7816995d92f9d59d8c 100644
--- a/ui/base/cocoa/cocoa_event_utils.mm
+++ b/ui/events/cocoa/cocoa_event_utils.mm
@@ -2,9 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "ui/base/cocoa/cocoa_event_utils.h"
+#import "ui/events/cocoa/cocoa_event_utils.h"
 
-#include "ui/base/window_open_disposition.h"
 #include "ui/events/event_constants.h"
 
 namespace {
@@ -56,15 +55,4 @@ int EventFlagsFromNSEventWithModifiers(NSEvent* event, NSUInteger modifiers) {
   return flags;
 }
 
-WindowOpenDisposition WindowOpenDispositionFromNSEvent(NSEvent* event) {
-  NSUInteger modifiers = [event modifierFlags];
-  return WindowOpenDispositionFromNSEventWithFlags(event, modifiers);
-}
-
-WindowOpenDisposition WindowOpenDispositionFromNSEventWithFlags(
-    NSEvent* event, NSUInteger modifiers) {
-  int event_flags = EventFlagsFromNSEventWithModifiers(event, modifiers);
-  return ui::DispositionFromEventFlags(event_flags);
-}
-
 }  // namespace ui