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

webkit/tools/test_shell/accessibility_ui_element.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 "base/logging.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityObject.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "webkit/tools/test_shell/accessibility_ui_element.h"
 
@@ skipping 344 matching lines @@
   result->SetNull();
 }
 
 void AccessibilityUIElement::StringForRangeCallback(
     const CppArgumentList& args, CppVariant* result) {
   result->SetNull();
 }
 
 void AccessibilityUIElement::ChildAtIndexCallback(
     const CppArgumentList& args, CppVariant* result) {
-  if (args.size() == 0 || !args[0].isNumber()) {
+  if (args.empty() || !args[0].isNumber()) {
     result->SetNull();
     return;
   }
 
   AccessibilityUIElement* child = GetChildAtIndex(args[0].ToInt32());
   if (!child) {
     result->SetNull();
     return;
   }
 
@@ skipping 181 matching lines @@
   return element;
 }
 
 AccessibilityUIElement* AccessibilityUIElementList::CreateRoot(
     const WebAccessibilityObject& object) {
   AccessibilityUIElement* element =
       new RootAccessibilityUIElement(object, this);
   elements_.push_back(element);
   return element;
 }