Expose Physical Web data

components/physical_web/data_source/physical_web_data_source.h

 // 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 COMPONENTS_PHYSICAL_WEB_DATA_SOURCE_PHYSICAL_WEB_DATA_SOURCE_H_
 #define COMPONENTS_PHYSICAL_WEB_DATA_SOURCE_PHYSICAL_WEB_DATA_SOURCE_H_
 
 #include <memory>
 
+#include physical_web_listner.h
+
 namespace base {
 class ListValue;
 }
 
 // Helper class for accessing Physical Web metadata and controlling the scanner.
 class PhysicalWebDataSource {
  public:
   virtual ~PhysicalWebDataSource() {}
 
   // Starts scanning for Physical Web URLs. If |network_request_enabled| is
   // true, discovered URLs will be sent to a resolution service.
   virtual void StartDiscovery(bool network_request_enabled) = 0;
 
   // Stops scanning for Physical Web URLs and clears cached URL content.
   virtual void StopDiscovery() = 0;
 
   // Returns a list of resolved URLs and associated page metadata. If network
   // requests are disabled or if discovery is not active, the list will be
   // empty. The method can be called at any time to receive the current metadata
   // list.
   virtual std::unique_ptr<base::ListValue> GetMetadata() = 0;
 
   // Returns boolean |true| if network requests are disabled and there are one
   // or more discovered URLs that have not been sent to the resolution service.
   // The method can be called at any time to check for unresolved discoveries.
   // If discovery is inactive or network requests are enabled, it will always
   // return false.
   virtual bool HasUnresolvedDiscoveries() = 0;
+
+  // Register for changes to physical web URLs and associated page metadata.
+  virtual void RegisterListener(PhysicalWebListener physical_web_listner) = 0;

[mattreynolds, 2016/08/12 23:07:30]

physical_web_listner -> physical_web_listener

Capitalize Physical Web

[hayesjordan, 2016/08/15 14:38:08]

Done.

 };
 
 #endif  // COMPONENTS_PHYSICAL_WEB_DATA_SOURCE_PHYSICAL_WEB_DATA_SOURCE_H_