Specify AllowCaching = false for some ChromeOS UI pages

chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc

Index: chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc b/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
index 52c4a548600250454bbe6e343d5f09bfebffe880..51096b2b2e17754eb2b3408d65e75def44fa85c8 100644
--- a/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
@@ -49,6 +49,11 @@ class CertificateManagerDialogHTMLSource : public content::URLDataSource {
     return "text/html";
   }
   bool ShouldAddContentSecurityPolicy() const override { return false; }
+  bool AllowCaching() const override {
+    // Should not be cached to reflect dynamically-generated contents that may
+    // depend on current locale setting.
+    return false;
+  }
 
  protected:
   ~CertificateManagerDialogHTMLSource() override {}