Clean up NativeTheme (particularly CommonTheme).

chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc

Index: chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc
diff --git a/chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc b/chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc
index ff0ddf673834f63421f49c37031f0ce0cf5f49c5..38be67ca446e7d4b602ec24e58db590f9852cc1b 100644
--- a/chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc
+++ b/chrome/browser/ui/views/passwords/manage_passwords_bubble_view.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
+#include "chrome/browser/ui/passwords/password_dialog_prompts.h"
 #include "chrome/browser/ui/passwords/passwords_model_delegate.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/passwords/credentials_item_view.h"
@@ -218,13 +219,10 @@ ManagePasswordsBubbleView::AutoSigninView::AutoSigninView(
   SetLayoutManager(new views::FillLayout);
   const autofill::PasswordForm& form = parent_->model()->pending_password();
   CredentialsItemView* credential = new CredentialsItemView(
-      this,
-      base::string16(),
+      this, base::string16(),
       l10n_util::GetStringFUTF16(IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_TITLE,
                                  form.username_value),
-      GetNativeTheme()->GetSystemColor(
-          ui::NativeTheme::kColorId_ButtonBackgroundColor),
-      &form,
+      kButtonHoverColor, &form,
       parent_->model()->GetProfile()->GetRequestContext());
   credential->SetEnabled(false);
   AddChildView(credential);