Certificate Transparency: Start tracking logs' state

chrome/browser/component_updater/sth_set_component_installer.cc

Index: chrome/browser/component_updater/sth_set_component_installer.cc
diff --git a/chrome/browser/component_updater/sth_set_component_installer.cc b/chrome/browser/component_updater/sth_set_component_installer.cc
index d26c8784b5498cdeacd1ec042a967b6a31e8b055..604b5303576eec9c265677c930ead722eaa9dc13 100644
--- a/chrome/browser/component_updater/sth_set_component_installer.cc
+++ b/chrome/browser/component_updater/sth_set_component_installer.cc
@@ -15,6 +15,8 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/io_thread.h"
 #include "components/component_updater/component_updater_paths.h"
 #include "components/safe_json/safe_json_parser.h"
 #include "content/public/browser/browser_thread.h"
@@ -185,11 +187,16 @@ void RegisterSTHSetComponent(ComponentUpdateService* cus,
                              const base::FilePath& user_data_dir) {
   DVLOG(1) << "Registering STH Set fetcher component.";
 
-  // TODO(eranm): The next step in auditing CT logs (crbug.com/506227) is to
-  // pass the distributor to the IOThread so it can be used in a per-profile
-  // context for checking inclusion of SCTs.
   scoped_ptr<net::ct::STHDistributor> distributor(
       new net::ct::STHDistributor());
+  // Register the distributor as the STHReporter for the IOThread (see
+  // crbug.com/506227 for details).
+  DCHECK(g_browser_process->io_thread());
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE,
+      base::Bind(&IOThread::RegisterSTHReporter,
+                 base::Unretained(g_browser_process->io_thread()),
+                 distributor.get()));
 
   scoped_ptr<ComponentInstallerTraits> traits(
       new STHSetComponentInstallerTraits(std::move(distributor)));