fix broken linux_clang_chromeos_dbg build due to style violation.

chrome/browser/ui/views/crypto_module_password_dialog_view.cc

Index: chrome/browser/ui/views/crypto_module_password_dialog_view.cc
diff --git a/chrome/browser/ui/views/crypto_module_password_dialog_view.cc b/chrome/browser/ui/views/crypto_module_password_dialog_view.cc
index d04831d895222672719302f81ef1bb018634674e..92bd120f33c743671fc2845c2eaead2f24aa7dea 100644
--- a/chrome/browser/ui/views/crypto_module_password_dialog_view.cc
+++ b/chrome/browser/ui/views/crypto_module_password_dialog_view.cc
@@ -30,6 +30,9 @@ CryptoModulePasswordDialogView::CryptoModulePasswordDialogView(
   Init(server, slot_name, reason);
 }
 
+CryptoModulePasswordDialogView::~CryptoModulePasswordDialogView() {
+}
+
 void CryptoModulePasswordDialogView::Init(
     const std::string& server,
     const std::string& slot_name,
@@ -142,6 +145,11 @@ bool CryptoModulePasswordDialogView::HandleKeyEvent(
   return false;
 }
 
+void CryptoModulePasswordDialogView::ContentsChanged(
+    views::Textfield* sender,
+    const string16& new_contents) {
+}
+
 string16 CryptoModulePasswordDialogView::GetWindowTitle() const {
   return UTF8ToUTF16(l10n_util::GetStringUTF8(
       IDS_CRYPTO_MODULE_AUTH_DIALOG_TITLE));