Lands http://codereview.chromium.org/193032 for Charlie:...

chrome/common/pref_names.cc

 // Copyright (c) 2006-2009 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/pref_names.h"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
@@ skipping 185 matching lines @@
 #if defined(OS_LINUX)
 // Prefs for SSLConfigServicePref.  Currently, these are only present on
 // and used by Linux.
 extern const wchar_t kCertRevocationCheckingEnabled[] =
     L"ssl.rev_checking.enabled";
 extern const wchar_t kSSL2Enabled[] = L"ssl.ssl2.enabled";
 extern const wchar_t kSSL3Enabled[] = L"ssl.ssl3.enabled";
 extern const wchar_t kTLS1Enabled[] = L"ssl.tls1.enabled";
 #endif
 
+#if defined(OS_CHROMEOS)
+// A boolean pref set to true if TapToClick is being done in browser.
+extern const wchar_t kTapToClickEnabled[] =
+    L"settings.touchpad.enable_tap_to_click";
+
+// A boolean pref set to true if VertEdgeScroll is being done in browser.
+extern const wchar_t kVertEdgeScrollEnabled[] =
+    L"settings.touchpad.enable_vert_edge_scroll";
+#endif
+
 // The disabled messages in IPC logging.
 const wchar_t kIpcDisabledMessages[] = L"ipc_log_disabled_messages";
 
 // A boolean pref set to true if a Home button to open the Home pages should be
 // visible on the toolbar.
 const wchar_t kShowHomeButton[] = L"browser.show_home_button";
 
 // A boolean pref set to true if the Page and Options menu buttons should be
 // visible on the toolbar. This is only used for Mac where the default is to
 // have these menu in the main menubar, not as buttons on the toolbar.
@@ skipping 364 matching lines @@
 // Integer location of the split bar in the browser view.
 const wchar_t kDevToolsSplitLocation[] = L"devtools.split_location";
 
 // 64-bit integer serialization of the base::Time when the last sync occured.
 const wchar_t kSyncLastSyncedTime[] = L"sync.last_synced_time";
 
 // Boolean specifying whether the user finished setting up sync.
 const wchar_t kSyncHasSetupCompleted[] = L"sync.has_setup_completed";
 
 }  // namespace prefs