Distinguish between keystroke and character events.

ui/base/ime/input_method_auralinux.cc

 // Copyright 2013 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_auralinux.h"
 
 #include "base/environment.h"
 #include "ui/base/ime/linux/linux_input_method_context_factory.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
@@ skipping 151 matching lines @@
   allowed_to_fire_vkey_process_key_ = true;
   vkey_processkey_flags_ = event.flags();
 }
 
 void InputMethodAuraLinux::MaybeFireProcessKey() {
   if (!allowed_to_fire_vkey_process_key_)
     return;
 
   const ui::KeyEvent fabricated_event(ET_KEY_PRESSED,
                                       VKEY_PROCESSKEY,
-                                      vkey_processkey_flags_,
-                                      false);  // is_char
+                                      vkey_processkey_flags_);
   DispatchKeyEventPostIME(fabricated_event);
   StopFiringProcessKey();
 }
 
 void InputMethodAuraLinux::StopFiringProcessKey() {
   allowed_to_fire_vkey_process_key_ = false;
   vkey_processkey_flags_ = 0;
 }
 
 }  // namespace ui