CrOS: Add a flag to allow easy selection of tablet mode.

chrome/common/chrome_switches.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/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "ppapi/features/features.h"
@@ skipping 475 matching lines @@
 // is triggered.
 const char kForceDesktopIOSPromotion[] = "force-desktop-ios-promotion";
 
 // Displays the First Run experience when the browser is started, regardless of
 // whether or not it's actually the First Run (this overrides kNoFirstRun).
 const char kForceFirstRun[]                 = "force-first-run";
 
 // Forces Chrome to use localNTP instead of server (GWS) NTP.
 const char kForceLocalNtp[]                 = "force-local-ntp";
 
+// Enables required things for the selected UI mode, regardless of whether the
+// chromebook is currently in the selected UI mode.
+const char kForceTabletMode[]               = "force-tablet-mode";
+
+// Values for the kForceTabletMode flag.
+const char kForceTabletModeAuto[]           = "auto";
+const char kForceTabletModeClamshell[]      = "clamshell";
+const char kForceTabletModeTouchView[]      = "touch_view";
+
 // Forces additional Chrome Variation Ids that will be sent in X-Client-Data
 // header, specified as a 64-bit encoded list of numeric experiment ids. Ids
 // prefixed with the character "t" will be treated as Trigger Variation Ids.
 const char kForceVariationIds[]             = "force-variation-ids";
 
 // Enables grouping websites by domain and filtering them by period.
 const char kHistoryEnableGroupByDomain[]    = "enable-grouped-history";
 
 // Specifies which page will be displayed in newly-opened tabs. We need this
 // for testing purposes so that the UI tests don't depend on what comes up for
@@ skipping 667 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches