Pure pedantry: Replace all ".size() == 0" with ".empty()".

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
diff --git a/chrome/browser/tab_contents/render_view_context_menu.cc b/chrome/browser/tab_contents/render_view_context_menu.cc
index a25efa83ed9215700a1a0dc7acb650a0166869e3..19cb00efab1d46105abbc1867e0c9c23abfdf994 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.cc
+++ b/chrome/browser/tab_contents/render_view_context_menu.cc
@@ -362,7 +362,7 @@ void RenderViewContextMenu::RecursivelyAppendExtensionItems(
       ExtensionMenuItem::List children =
           GetRelevantExtensionItems(item->children(), params_,
                                     profile_, can_cross_incognito);
-      if (children.size() == 0) {
+      if (children.empty()) {
         menu_model->AddItem(menu_id, title);
       } else {
         ui::SimpleMenuModel* submenu = new ui::SimpleMenuModel(this);
@@ -720,7 +720,7 @@ void RenderViewContextMenu::AppendEditableItems() {
 
   // If word is misspelled, give option for "Add to dictionary"
   if (!params_.misspelled_word.empty()) {
-    if (params_.dictionary_suggestions.size() == 0) {
+    if (params_.dictionary_suggestions.empty()) {
       menu_model_.AddItem(0,
           l10n_util::GetStringUTF16(
               IDS_CONTENT_CONTEXT_NO_SPELLING_SUGGESTIONS));