Migrate ProxyConfigServiceImpl to NetworkStateHandler and NetworkProfileHandler.

chrome/browser/chromeos/proxy_config_service_impl.h

Index: chrome/browser/chromeos/proxy_config_service_impl.h
diff --git a/chrome/browser/chromeos/proxy_config_service_impl.h b/chrome/browser/chromeos/proxy_config_service_impl.h
index 730e003bd968005b9da7a81f12f217f4f9cc42e4..e32fbd90d6225c3f5aca3140a26d7cdda08e523d 100644
--- a/chrome/browser/chromeos/proxy_config_service_impl.h
+++ b/chrome/browser/chromeos/proxy_config_service_impl.h
@@ -10,18 +10,23 @@
 
 #include "base/basictypes.h"
 #include "base/prefs/pref_member.h"
-#include "base/values.h"
-#include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/net/pref_proxy_config_tracker_impl.h"
+#include "chromeos/network/network_state_handler_observer.h"
 
 class PrefRegistrySimple;
 
+namespace base {
+class DictionaryValue;
+}
+
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace chromeos {
 
+class NetworkState;
+
 // Implementation of proxy config service for chromeos that:
 // - extends PrefProxyConfigTrackerImpl (and so lives and runs entirely on UI
 //   thread) to handle proxy from prefs (via PrefProxyConfigTrackerImpl) and
@@ -37,8 +42,7 @@ namespace chromeos {
 //   any remembered network (either currently active or non-active) of current
 //   user profile
 class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
-                               public NetworkLibrary::NetworkManagerObserver,
-                               public NetworkLibrary::NetworkObserver {
+                               public NetworkStateHandlerObserver {
  public:
   // ProxyConfigServiceImpl is created in ProxyServiceFactory::
   // CreatePrefProxyConfigTrackerImpl via Profile::GetProxyConfigTracker() for
@@ -94,7 +98,7 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
 
     // Converts |this| to Dictionary of ProxyConfigDictionary format (which
     // is the same format used by prefs).
-    DictionaryValue* ToPrefProxyConfig();
+    base::DictionaryValue* ToPrefProxyConfig();
 
     // Map |scheme| (one of "http", "https", "ftp" or "socks") to the correct
     // ManualProxy.  Returns NULL if scheme is invalid.
@@ -142,22 +146,20 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
     net::ProxyBypassRules  bypass_rules;
   };
 
-  // Constructor.
   explicit ProxyConfigServiceImpl(PrefService* pref_service);
   virtual ~ProxyConfigServiceImpl();
 
-  // Called by UI to set service path of |network| to be displayed or edited.
-  // Subsequent UISet* methods will use this network, until UI calls it again
-  // with a different network.
+  // Called by UI to set the network with service path |current_network| to be
+  // displayed or edited.  Subsequent UISet*/UIGet* methods will use this
+  // network, until this method is called again.
   void UISetCurrentNetwork(const std::string& current_network);
 
-  // Called from UI to make the currently active network the one to be displayed
-  // or edited. Subsequent UISet* methods will use this network until UI calls
-  // it again when the active network has changed.
-  void UIMakeActiveNetworkCurrent();
+  // Called from UI to make the current default network the one to be displayed
+  // or edited.  See UISetCurrentNetwork.
+  void UIMakeDefaultNetworkCurrent();
 
   // Called from UI to get name of the current network set via
-  // UISetCurrentNetwork or UIMakeActiveNetworkCurrent.
+  // UISetCurrentNetwork or UIMakeDefaultNetworkCurrent.
   void UIGetCurrentNetworkName(std::string* network_name);
 
   // Called from UI to retrieve proxy configuration in |current_ui_config_|.
@@ -165,7 +167,7 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
 
   // Called from UI to update proxy configuration for different modes.
   // Returns true if config is set properly and persisted to shill for the
-  // current network (set via UISetCurrentNetwork/UIMakeActiveNetworkCurrent).
+  // current network (set via UISetCurrentNetwork/UIMakeDefaultNetworkCurrent).
   // If this network is also currently active, config service proceeds to start
   // activating it on network stack.
   // Returns false if config is not set properly, probably because information
@@ -191,16 +193,13 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
   virtual void OnProxyConfigChanged(ProxyPrefs::ConfigState config_state,
                                     const net::ProxyConfig& config) OVERRIDE;
 
-  // NetworkLibrary::NetworkManagerObserver implementation.
-  virtual void OnNetworkManagerChanged(NetworkLibrary* cros) OVERRIDE;
-
-  // NetworkLibrary::NetworkObserver implementation.
-  virtual void OnNetworkChanged(NetworkLibrary* cros,
-                                const Network* network) OVERRIDE;
+  // NetworkStateHandlerObserver implementation.
+  virtual void DefaultNetworkChanged(const NetworkState* network) OVERRIDE;
 
-  // Parse |network| proxy config and store result in |proxy_config|.
-  // Returns true if proxy config was successfully parsed.
-  static bool ParseProxyConfig(const Network* network,
+  // Convert and store the proxy config of |network| to |proxy_config|.  Returns
+  // true if any proxy config is stored in |network| and proxy config was
+  // successfully converted.
+  static bool ParseProxyConfig(const NetworkState& network,
                                net::ProxyConfig* proxy_config);
 
   // Register UseShardProxies preference.
@@ -209,11 +208,11 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
 
 #if defined(UNIT_TEST)
   void SetTesting(ProxyConfig* test_config) {
-    UIMakeActiveNetworkCurrent();
+    UIMakeDefaultNetworkCurrent();
     if (test_config) {
       std::string value;
       test_config->SerializeForNetwork(&value);
-      SetProxyConfigForNetwork(active_network_, value, false);
+      SetProxyConfigForNetwork(current_ui_network_, value, false);
     }
   }
 #endif  // defined(UNIT_TEST)
@@ -225,13 +224,6 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
   // Called from the various UISetProxyConfigTo*.
   void OnUISetProxyConfig();
 
-  // Called from OnNetworkManagerChanged and OnNetworkChanged for currently
-  // active network, to handle previously active network, new active network,
-  // and if necessary, migrates device settings to shill and/or activates
-  // proxy setting of new network.
-  void OnActiveNetworkChanged(NetworkLibrary* cros,
-                              const Network* active_network);
-
   // Sets proxy config for |network_path| into shill and activates setting
   // if the network is currently active.  If |only_set_if_empty| is true,
   // proxy will be set and saved only if network has no proxy.
@@ -245,7 +237,11 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
 
   // Returns true if proxy is to be ignored for network, which happens if
   // network is shared and use-shared-proxies is turned off.
-  bool IgnoreProxy(const Network* network);
+  bool IgnoreProxy(const NetworkState& network);
+
+  // Determines, applies and stores the effective proxy config based on the
+  // current default network.
+  void UpdateProxyConfigOfDefaultNetwork();
 
   // Determines effective proxy config based on prefs from config tracker,
   // |network| and if user is using shared proxies.
@@ -253,23 +249,16 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
   // activated on network stack, and hence, picked up by observers.
   // if |activate| is false, effective config is stored in |current_ui_config_|
   // but not activated on network stack, and hence, not picked up by observers.
-  void DetermineEffectiveConfig(const Network* network, bool activate);
-
-  // Determines |current_ui_config_| based on |network|, called from
-  // UISetCurrentNetwork and UIMakeActiveNetworkActive.
-  void OnUISetCurrentNetwork(const Network* network);
+  void DetermineEffectiveConfig(const NetworkState* network, bool activate);
 
   // Reset UI cache variables that keep track of UI activities.
   void ResetUICache();
 
   void FetchProxyPolicy();
 
-  // Data members.
-
-  // Service path of currently active network (determined via shill
-  // notifications); if effective proxy config is from system, proxy of this
-  // network will be the one taking effect.
-  std::string active_network_;
+  // Service path of last known default network; if effective proxy config is
+  // from system, proxy of this network will be the one taking effect.
+  std::string default_network_;
 
   // State of |active_config_|.  |active_config_| is only valid if
   // |active_config_state_| is not ProxyPrefs::CONFIG_UNSET.
@@ -283,7 +272,7 @@ class ProxyConfigServiceImpl : public PrefProxyConfigTrackerImpl,
   std::string device_config_;
 
   // Service path of network whose proxy configuration is being displayed or
-  // edited via UI, separate from |active_network_| which may be same or
+  // edited via UI, separate from |default_network_| which may be same or
   // different.
   std::string current_ui_network_;