[Code cleanup]Remove webui virtual keyboard code

chrome/common/extensions/manifest_url_handler.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 "chrome/common/extensions/manifest_url_handler.h"
 
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
@@ skipping 274 matching lines @@
     std::string val;
     // Restrict override pages to a list of supported URLs.
     bool is_override = (page != chrome::kChromeUINewTabHost &&
                         page != chrome::kChromeUIBookmarksHost &&
                         page != chrome::kChromeUIHistoryHost);
 #if defined(OS_CHROMEOS)
     is_override = (is_override &&
                    page != chrome::kChromeUIActivationMessageHost);
 #endif
 #if defined(OS_CHROMEOS)
-    is_override = (is_override && page != keyboard::kKeyboardWebUIHost);
+    is_override = (is_override && page != keyboard::kKeyboardHost);
 #endif
 
     if (is_override || !iter.value().GetAsString(&val)) {
       *error = base::ASCIIToUTF16(errors::kInvalidChromeURLOverrides);
       return false;
     }
     // Replace the entry with a fully qualified chrome-extension:// URL.
     url_overrides->chrome_url_overrides_[page] = extension->GetResourceURL(val);
 
     // For component extensions, add override URL to extent patterns.
@@ skipping 19 matching lines @@
   extension->SetManifestData(keys::kChromeURLOverrides,
                              url_overrides.release());
   return true;
 }
 
 const std::vector<std::string> URLOverridesHandler::Keys() const {
   return SingleKey(keys::kChromeURLOverrides);
 }
 
 }  // namespace extensions