Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/content/public/common/window_container_type.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 "content/public/common/window_container_type.h"
 
 #include "base/strings/string_util.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 
 namespace {
 
 const char kBackground[] = "background";
 const char kPersistent[] = "persistent";
 
 }  // namespace
 
 WindowContainerType WindowFeaturesToContainerType(
     const blink::WebWindowFeatures& window_features) {
   bool background = false;
   bool persistent = false;
 
   for (size_t i = 0; i < window_features.additionalFeatures.size(); ++i) {
-    if (base::LowerCaseEqualsASCII(
-            base::string16(window_features.additionalFeatures[i]),
-            kBackground))
+    if (LowerCaseEqualsASCII(window_features.additionalFeatures[i],
+                             kBackground))
       background = true;
-    else if (base::LowerCaseEqualsASCII(
-                 base::string16(window_features.additionalFeatures[i]),
-                 kPersistent))
+    else if (LowerCaseEqualsASCII(window_features.additionalFeatures[i],
+                                  kPersistent))
       persistent = true;
   }
 
   if (background) {
     if (persistent)
       return WINDOW_CONTAINER_TYPE_PERSISTENT;
     else
       return WINDOW_CONTAINER_TYPE_BACKGROUND;
   } else {
     return WINDOW_CONTAINER_TYPE_NORMAL;
   }
 }