Register Physical Web preference in Chrome's local state

ios/chrome/browser/physical_web/physical_web_local_state.h

Index: ios/chrome/browser/physical_web/physical_web_local_state.h
diff --git a/ios/chrome/browser/physical_web/physical_web_local_state.h b/ios/chrome/browser/physical_web/physical_web_local_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..1156150ca825d58572f7189c65f4ad537139f7d1
--- /dev/null
+++ b/ios/chrome/browser/physical_web/physical_web_local_state.h
@@ -0,0 +1,21 @@
+// Copyright 2016 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.
+
+#ifndef IOS_CHROME_BROWSER_PHYSICAL_WEB_PHYSICAL_WEB_LOCAL_STATE_H_
+#define IOS_CHROME_BROWSER_PHYSICAL_WEB_PHYSICAL_WEB_LOCAL_STATE_H_
+
+#import <Foundation/Foundation.h>
+
+class PrefRegistrySimple;
+
+// Maintains all of the local state relevant to the PhysicalWeb feature. Allows
+// Chrome to surface URLs broadcast by nearby devices.
+@interface PhysicalWebLocalState : NSObject
+
+// Registers local state preferences related to the Physical Web.
++ (void)registerLocalState:(PrefRegistrySimple*)registry;

[sdefresne, 2016/11/14 16:13:34]

Can you change this to a free function? I don't think there is need to have a
class just for the purpose of a class method.

[mattreynolds, 2016/11/14 22:02:52]

Done.

+
+@end
+
+#endif  // IOS_CHROME_BROWSER_PHYSICAL_WEB_PHYSICAL_WEB_LOCAL_STATE_H_