Show device information in chrome://gcm-internals page.

google_apis/gcm/gcm_client_impl.h

 // Copyright 2013 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 GOOGLE_APIS_GCM_GCM_CLIENT_IMPL_H_
 #define GOOGLE_APIS_GCM_GCM_CLIENT_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 46 matching lines @@
       Delegate* delegate) OVERRIDE;
   virtual void Load() OVERRIDE;
   virtual void CheckOut() OVERRIDE;
   virtual void Register(const std::string& app_id,
                         const std::string& cert,
                         const std::vector<std::string>& sender_ids) OVERRIDE;
   virtual void Unregister(const std::string& app_id) OVERRIDE;
   virtual void Send(const std::string& app_id,
                     const std::string& receiver_id,
                     const OutgoingMessage& message) OVERRIDE;
+  virtual GCMStatistics GetStatistics() const OVERRIDE;
 
  private:
   // State representation of the GCMClient.
+  // Any change made to this enum should have corresponding change in the
+  // GetStateString(...) function.
   enum State {
     // Uninitialized.
     UNINITIALIZED,
     // Initialized,
     INITIALIZED,
     // GCM store loading is in progress.
     LOADING,
     // Initial device checkin is in progress.
     INITIAL_DEVICE_CHECKIN,
     // Ready to accept requests.
     READY,
   };
 
+  // Returns text representation of the enum State.
+  static std::string GetStateString(gcm::GCMClientImpl::State state);

[jianli, 2014/03/04 23:47:39]

It seems to me that it is easier to define this as a const method without
passing the state.

[juyik, 2014/03/05 05:08:08]

Done.

+
   // The check-in info for the user. Returned by the server.
   struct GCM_EXPORT CheckinInfo {
     CheckinInfo() : android_id(0), secret(0) {}
     bool IsValid() const { return android_id != 0 && secret != 0; }
     void Reset() {
       android_id = 0;
       secret = 0;
     }
 
     uint64 android_id;
@@ skipping 122 matching lines @@
 
   // Factory for creating references in callbacks.
   base::WeakPtrFactory<GCMClientImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMClientImpl);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_GCM_CLIENT_IMPL_H_