Update ToLower/UpperASCII API

content/browser/renderer_host/input/web_input_event_util.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.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 
 #include <cmath>
@@ skipping 135 matching lines @@
 namespace content {
 
 void UpdateWindowsKeyCodeAndKeyIdentifier(blink::WebKeyboardEvent* event,
                                           ui::KeyboardCode windows_key_code) {
   event->windowsKeyCode = windows_key_code;
 
   const char* id = GetKeyIdentifier(windows_key_code);
   if (id) {
     base::strlcpy(event->keyIdentifier, id, sizeof(event->keyIdentifier) - 1);
   } else {
-    base::snprintf(event->keyIdentifier,
-                   sizeof(event->keyIdentifier),
-                   "U+%04X",
-                   base::ToUpperASCII(static_cast<int>(windows_key_code)));
+    base::snprintf(
+        event->keyIdentifier,
+        sizeof(event->keyIdentifier),
+        "U+%04X",
+        base::ToUpperASCII(static_cast<base::char16>(windows_key_code)));
   }
 }
 
 int WebEventModifiersToEventFlags(int modifiers) {
   int flags = 0;
 
   if (modifiers & blink::WebInputEvent::ShiftKey)
     flags |= ui::EF_SHIFT_DOWN;
   if (modifiers & blink::WebInputEvent::ControlKey)
     flags |= ui::EF_CONTROL_DOWN;
@@ skipping 10 matching lines @@
     flags |= ui::EF_RIGHT_MOUSE_BUTTON;
   if (modifiers & blink::WebInputEvent::CapsLockOn)
     flags |= ui::EF_CAPS_LOCK_DOWN;
   if (modifiers & blink::WebInputEvent::IsAutoRepeat)
     flags |= ui::EF_IS_REPEAT;
 
   return flags;
 }
 
 }  // namespace content