Add --enable-device-orientation switch and set ENABLE_DEVICE_ORIENTATION=1

chrome/common/chrome_switches.cc

 // Copyright (c) 2010 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"
 
 namespace switches {
@@ skipping 275 matching lines @@
 // Chromoting Host Process within the service process.
 const char kEnableChromoting[]              = "enable-chromoting";
 
 // This applies only when the process type is "service". Enables the
 // Cloud Print Proxy component within the service process.
 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";
 
 // Enables the Cloud Print dialog hosting code.
 const char kEnableCloudPrint[]              = "enable-cloud-print";
 
+// Enables device orientation events.
+const char kEnableDeviceOrientation[]       = "enable-device-orientation";
+
 // Enables extension APIs that are in development.
 const char kEnableExperimentalExtensionApis[] =
     "enable-experimental-extension-apis";
 
 // Enable experimental WebGL support.
 const char kEnableExperimentalWebGL[]       = "enable-webgl";
 
 // Enable experimental timeline API.
 const char kEnableExtensionTimelineApi[]    = "enable-extension-timeline-api";
 
@@ skipping 811 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP 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