Componentize the bad clock blocking page

components/security_interstitials/core/controller_client.h

Index: components/security_interstitials/core/controller_client.h
diff --git a/components/security_interstitials/core/controller_client.h b/components/security_interstitials/core/controller_client.h
index 6eb41e0b59e3fd519598693b4dd727b4de54d382..6f0b47bb74d82c305f19b53c7e6164422905ec0a 100644
--- a/components/security_interstitials/core/controller_client.h
+++ b/components/security_interstitials/core/controller_client.h
@@ -51,7 +51,8 @@ enum SecurityInterstitialCommands {
 };
 
 // Provides methods for handling commands from the user, which requires some
-// embedder-specific abstraction.
+// embedder-specific abstraction. This class should handle all commands sent
+// by the JavaScript error page.
 class ControllerClient {
  public:
   ControllerClient();
@@ -61,6 +62,13 @@ class ControllerClient {
   void SetReportingPreference(bool report);
   void OpenExtendedReportingPrivacyPolicy();
 
+  // If available, open the operating system's date/time settings.
+  virtual bool CanLaunchDateAndTimeSettings() = 0;
+  virtual void LaunchDateAndTimeSettings() = 0;
+
+  // Close the error and go back to the previous page.
+  virtual void GoBack() = 0;
+
   MetricsHelper* metrics_helper() const;
   void set_metrics_helper(scoped_ptr<MetricsHelper> metrics_helper);