events: Remove KeyEvent::Copy().

ui/base/ime/input_method_ibus.cc

 // Copyright (c) 2012 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/base/ime/input_method_ibus.h"
 
 #include <algorithm>
 #include <cstring>
 #include <set>
 #include <vector>
@@ skipping 114 matching lines @@
       }
       ProcessUnfilteredKeyPressEvent(event);
     } else {
       DispatchKeyEventPostIME(event);
     }
     return true;
   }
 
   pending_key_events_.insert(current_keyevent_id_);
 
-  ui::KeyEvent* copied_event = event.Copy();
+  ui::KeyEvent* copied_event = new ui::KeyEvent(event);
   GetEngine()->ProcessKeyEvent(
       event,
       base::Bind(&InputMethodIBus::ProcessKeyEventDone,
                  weak_ptr_factory_.GetWeakPtr(),
                  current_keyevent_id_,
                  // Pass the ownership of |copied_event|.
                  base::Owned(copied_event)));
 
   ++current_keyevent_id_;
 
@@ skipping 510 matching lines @@
   }
 
   // Use a black thin underline by default.
   if (out_composition->underlines.empty()) {
     out_composition->underlines.push_back(CompositionUnderline(
         0, length, SK_ColorBLACK, false /* thick */));
   }
 }
 
 }  // namespace ui