Certificate Transparency: New component for obtaining fresh STHs.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 1fe82adcde3ebbda95389e0ecfc1eb8aee299ac4..8d12d4495715cb38a67081f394a6488b2ee8cf0c 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -50,6 +50,7 @@
 #include "chrome/browser/component_updater/ev_whitelist_component_installer.h"
 #include "chrome/browser/component_updater/flash_component_installer.h"
 #include "chrome/browser/component_updater/recovery_component_installer.h"
+#include "chrome/browser/component_updater/sth_set_component_installer.h"
 #include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
 #include "chrome/browser/component_updater/swiftshader_component_installer.h"
 #include "chrome/browser/component_updater/widevine_cdm_component_installer.h"
@@ -488,6 +489,11 @@ void RegisterComponentsForUpdate() {
     // 1. Android: Because it currently does not have the EV indicator.
     // 2. Chrome OS: On Chrome OS this registration is delayed until user login.
     RegisterEVWhitelistComponent(cus, path);
+
+    // Registration of the STH set fetcher here is not done for:
+    // Android: Because the story around CT on Mobile is not finalized yet.
+    // Chrome OS: On Chrome OS this registration is delayed until user login.
+    RegisterSTHSetComponent(cus, path);
 #endif  // defined(OS_ANDROID)
   }
 
@@ -1701,8 +1707,9 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   // data source is based on the Component Updater.
   translate::BrowserCldUtils::ConfigureDefaultDataProvider();
 
-  if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate))
+  if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate)) {

[waffles, 2016/04/07 13:30:49]

Our style thus far has been to elide the braces for one-line conditionals.

[Eran Messeri, 2016/04/07 16:37:59]

My bad, done.

     RegisterComponentsForUpdate();
+  }
 
 #if defined(OS_ANDROID)
   variations::VariationsService* variations_service =