Change other usages of .size() to .empty() when applicable.

chrome/browser/ui/gtk/options/passwords_exceptions_page_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/options/passwords_exceptions_page_gtk.h"
 
 #include <string>
 
 #include "base/stl_util-inl.h"
 #include "base/utf_string_conversions.h"
@@ skipping 104 matching lines @@
       profile_->GetPrefs()->GetString(prefs::kAcceptLanguages);
   gtk_list_store_clear(exception_list_store_);
   STLDeleteElements(&exception_list_);
   exception_list_ = result;
   for (size_t i = 0; i < result.size(); ++i) {
     GtkTreeIter iter;
     gtk_list_store_insert_with_values(exception_list_store_, &iter, (gint) i,
         COL_SITE,
         UTF16ToUTF8(net::FormatUrl(result[i]->origin, languages)).c_str(), -1);
   }
-  gtk_widget_set_sensitive(remove_all_button_, result.size() > 0);
+  gtk_widget_set_sensitive(remove_all_button_, !result.empty());
 }
 
 void PasswordsExceptionsPageGtk::OnRemoveButtonClicked(GtkWidget* widget) {
   GtkTreeIter iter;
   if (!gtk_tree_selection_get_selected(exception_selection_,
                                        NULL, &iter)) {
     NOTREACHED();
     return;
   }
 
   GtkTreePath* path = gtk_tree_model_get_path(
       GTK_TREE_MODEL(exception_list_sort_), &iter);
   gint index = gtk_tree::GetTreeSortChildRowNumForPath(
       exception_list_sort_, path);
   gtk_tree_path_free(path);
 
   GtkTreeIter child_iter;
   gtk_tree_model_sort_convert_iter_to_child_iter(
       GTK_TREE_MODEL_SORT(exception_list_sort_), &child_iter, &iter);
 
   // Remove from GTK list, DB, and vector.
   gtk_list_store_remove(exception_list_store_, &child_iter);
   GetPasswordStore()->RemoveLogin(*exception_list_[index]);
   delete exception_list_[index];
   exception_list_.erase(exception_list_.begin() + index);
 
-  gtk_widget_set_sensitive(remove_all_button_, exception_list_.size() > 0);
+  gtk_widget_set_sensitive(remove_all_button_, !exception_list_.empty());
 }
 
 void PasswordsExceptionsPageGtk::OnRemoveAllButtonClicked(GtkWidget* widget) {
   // Remove from GTK list, DB, and vector.
   PasswordStore* store = GetPasswordStore();
   gtk_list_store_clear(exception_list_store_);
   for (size_t i = 0; i < exception_list_.size(); ++i)
     store->RemoveLogin(*exception_list_[i]);
   STLDeleteElements(&exception_list_);
   gtk_widget_set_sensitive(remove_all_button_, FALSE);
@@ skipping 30 matching lines @@
     LOG(ERROR) << "No password store! Cannot display exceptions.";
 }
 
 void
 PasswordsExceptionsPageGtk::ExceptionListPopulater::OnPasswordStoreRequestDone(
     int handle, const std::vector<webkit_glue::PasswordForm*>& result) {
   DCHECK_EQ(pending_login_query_, handle);
   pending_login_query_ = 0;
   page_->SetExceptionList(result);
 }