Fixes for -Wunused-function on Linux, Android and ChromeOS

ui/aura/root_window_host_x11.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/aura/root_window_host_x11.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/Xfixes.h>
 #include <X11/extensions/XInput2.h>
@@ skipping 108 matching lines @@
   // |mask| back to 0).
   // TODO(sad): Figure out why this happens. http://crbug.com/153976
 #if defined(USE_XI2_MT)
   XISetMask(mask, XI_TouchBegin);
   XISetMask(mask, XI_TouchUpdate);
   XISetMask(mask, XI_TouchEnd);
   XISelectEvents(display, root_window, &evmask, 1);
 #endif
 }
 
-// We emulate Windows' WM_KEYDOWN and WM_CHAR messages.  WM_CHAR events are only
-// generated for certain keys; see
-// http://msdn.microsoft.com/en-us/library/windows/desktop/ms646268.aspx.  Per
-// discussion on http://crbug.com/108480, char events should furthermore not be
-// generated for Tab, Escape, and Backspace.
-bool ShouldSendCharEventForKeyboardCode(ui::KeyboardCode keycode) {
-  if ((keycode >= ui::VKEY_0 && keycode <= ui::VKEY_9) ||
-      (keycode >= ui::VKEY_A && keycode <= ui::VKEY_Z) ||
-      (keycode >= ui::VKEY_NUMPAD0 && keycode <= ui::VKEY_NUMPAD9)) {
-    return true;
-  }
-
-  switch (keycode) {
-    case ui::VKEY_RETURN:
-    case ui::VKEY_SPACE:
-    // In addition to the keys listed at MSDN, we include other
-    // graphic-character and numpad keys.
-    case ui::VKEY_MULTIPLY:
-    case ui::VKEY_ADD:
-    case ui::VKEY_SUBTRACT:
-    case ui::VKEY_DECIMAL:
-    case ui::VKEY_DIVIDE:
-    case ui::VKEY_OEM_1:
-    case ui::VKEY_OEM_2:
-    case ui::VKEY_OEM_3:
-    case ui::VKEY_OEM_4:
-    case ui::VKEY_OEM_5:
-    case ui::VKEY_OEM_6:
-    case ui::VKEY_OEM_7:
-    case ui::VKEY_OEM_102:
-    case ui::VKEY_OEM_PLUS:
-    case ui::VKEY_OEM_COMMA:
-    case ui::VKEY_OEM_MINUS:
-    case ui::VKEY_OEM_PERIOD:
-      return true;
-    default:
-      return false;
-  }
-}
-
 bool default_override_redirect = false;
 
 }  // namespace
 
 namespace internal {
 
 // Accomplishes 2 tasks concerning touch event calibration:
 // 1. Being a message-pump observer,
 //    routes all the touch events to the X root window,
 //    where they can be calibrated later.
@@ skipping 928 matching lines @@
 }
 
 namespace test {
 
 void SetUseOverrideRedirectWindowByDefault(bool override_redirect) {
   default_override_redirect = override_redirect;
 }
 
 }  // namespace test
 }  // namespace aura