Revert of [KeyEvent Mac] Move WebInputEventFactory into chromium.

ui/events/cocoa/events_mac.mm

 // Copyright 2014 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.
 
 #include "ui/events/event_utils.h"
 
 #include <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #import "base/mac/mac_util.h"
@@ skipping 215 matching lines @@
 
 uint32 WindowsKeycodeFromNative(const base::NativeEvent& native_event) {
   return static_cast<uint32>(KeyboardCodeFromNSEvent(native_event));
 }
 
 uint16 TextFromNative(const base::NativeEvent& native_event) {
   NSString* text = @"";
   if ([native_event type] != NSFlagsChanged)
     text = [native_event characters];
 
-  // These exceptions are based on web_input_event_builders_mac.mm:
+  // These exceptions are based on WebInputEventFactoryMac.mm:
   uint32 windows_keycode = WindowsKeycodeFromNative(native_event);
   if (windows_keycode == '\r')
     text = @"\r";
   if ([text isEqualToString:@"\x7F"])
     text = @"\x8";
   if (windows_keycode == 9)
     text = @"\x9";
 
   uint16 return_value;
   [text getCharacters:&return_value];
   return return_value;
 }
 
 uint16 UnmodifiedTextFromNative(const base::NativeEvent& native_event) {
   NSString* text = @"";
   if ([native_event type] != NSFlagsChanged)
     text = [native_event charactersIgnoringModifiers];
 
-  // These exceptions are based on web_input_event_builders_mac.mm:
+  // These exceptions are based on WebInputEventFactoryMac.mm:
   uint32 windows_keycode = WindowsKeycodeFromNative(native_event);
   if (windows_keycode == '\r')
     text = @"\r";
   if ([text isEqualToString:@"\x7F"])
     text = @"\x8";
   if (windows_keycode == 9)
     text = @"\x9";
 
   uint16 return_value;
   [text getCharacters:&return_value];
   return return_value;
 }
 
 bool IsCharFromNative(const base::NativeEvent& native_event) {
   return false;
 }
 
 }  // namespace ui