Certificate Transparency: Start tracking logs' state

chrome/browser/io_thread.h

Index: chrome/browser/io_thread.h
diff --git a/chrome/browser/io_thread.h b/chrome/browser/io_thread.h
index fc27d9b337cfbd860cba165afa4e4088108874c7..50aea0354f9eabd19700b7d3b2ad0e537706b486 100644
--- a/chrome/browser/io_thread.h
+++ b/chrome/browser/io_thread.h
@@ -29,6 +29,8 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/browser_thread_delegate.h"
 #include "net/base/network_change_notifier.h"
+#include "net/cert/ct_observer.h"
+#include "net/cert/ct_verifier.h"
 #include "net/http/http_network_session.h"
 
 class PrefProxyConfigTracker;
@@ -85,6 +87,12 @@ class URLRequestBackoffManager;
 class URLRequestContext;
 class URLRequestContextGetter;
 class URLRequestJobFactory;
+
+namespace ct {
+class STHReporterRegistrar;
+class STHReporter;
+}  // namespace ct
+
 }  // namespace net
 
 namespace net_log {
@@ -191,6 +199,18 @@ class IOThread : public content::BrowserThreadDelegate {
     // |system_cookie_store| and |system_channel_id_service| are shared
     // between |proxy_script_fetcher_context| and |system_request_context|.
     scoped_ptr<net::CookieStore> system_cookie_store;
+    // scoped_refptr<net::CookieStore> system_cookie_store;
+
+    // |cert_transparency_observer| is shared between
+    // |proxy_script_fetcher_context| and |system_request_context|. Since
+    // it may be performing URLRequests of its own it must be destroyed
+    // before both URLRequestContexts.
+    scoped_ptr<net::ct::CTObserver> cert_transparency_observer;
+    // Owned by the IOThread, used by ProfileIOData and the IOThread
+    // itself. Keeps track of all the STHReporter instances that need
+    // to get notification of new STHs until one is provided by
+    // RegisterWithSTHObserver, if at all.
+    net::ct::STHReporterRegistrar sth_observers_registrar;
 #if defined(ENABLE_EXTENSIONS)
     scoped_refptr<extensions::EventRouterForwarder>
         extension_event_router_forwarder;
@@ -290,6 +310,8 @@ class IOThread : public content::BrowserThreadDelegate {
   // a result of a field trial or a command line flag.
   static bool ShouldEnableQuicForDataReductionProxy();
 
+  void RegisterWithSTHObserver(net::ct::STHReporter* reporter);
+
  private:
   // Map from name to value for all parameters associate with a field trial.
   typedef std::map<std::string, std::string> VariationParameters;