[Chromecast] Add proxy server support to chromecast

chromecast/net/connectivity_checker_impl.h

Index: chromecast/net/connectivity_checker_impl.h
diff --git a/chromecast/net/connectivity_checker_impl.h b/chromecast/net/connectivity_checker_impl.h
index 8779d0cc6bf92fff149f247df4f69b1491a49e72..f3b27a47ff51d678bc05aad96fffe233052ec64f 100644
--- a/chromecast/net/connectivity_checker_impl.h
+++ b/chromecast/net/connectivity_checker_impl.h
@@ -12,6 +12,7 @@
 #include "net/url_request/url_request.h"
 
 class GURL;
+class PrefProxyConfigTracker;
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -34,11 +35,13 @@ class ConnectivityCheckerImpl
  public:
   // Connectivity checking and initialization will run on task_runner.
   explicit ConnectivityCheckerImpl(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      std::unique_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker);
 
   // ConnectivityChecker implementation:
   bool Connected() const override;
   void Check() override;
+  void DetachFromPrefService() override;

[wzhong, 2017/02/07 15:56:03]

Can you add a Getter pref_proxy_config_tracker() so it is more readable that the
proxy config tracker is detaching?

[almasrymina, 2017/02/08 00:48:04]

Removed with new approach.

 
  protected:
   ~ConnectivityCheckerImpl() override;
@@ -99,6 +102,9 @@ class ConnectivityCheckerImpl
   // called.
   base::CancelableCallback<void()> timeout_;
 
+  std::unique_ptr<net::ProxyConfigService> proxy_config_service_;
+  std::unique_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
+
   DISALLOW_COPY_AND_ASSIGN(ConnectivityCheckerImpl);
 };