Update ToLower/UpperASCII API

extensions/renderer/runtime_custom_bindings.cc

 // Copyright 2014 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 "extensions/renderer/runtime_custom_bindings.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/public/child/v8_value_converter.h"
@@ skipping 107 matching lines @@
   if (args.Length() != 2)
     return;
 
   if (!args[0]->IsInt32() || !args[1]->IsString())
     return;
 
   // |browser_window_id| == extension_misc::kUnknownWindowId means getting
   // all views for the current extension.
   int browser_window_id = args[0]->Int32Value();
 
-  std::string view_type_string = *v8::String::Utf8Value(args[1]);
-  base::StringToUpperASCII(&view_type_string);
+  std::string view_type_string =
+      base::ToUpperASCII(*v8::String::Utf8Value(args[1]));
   // |view_type| == VIEW_TYPE_INVALID means getting any type of
   // views.
   ViewType view_type = VIEW_TYPE_INVALID;
   if (view_type_string == kViewTypeBackgroundPage) {
     view_type = VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
   } else if (view_type_string == kViewTypeTabContents) {
     view_type = VIEW_TYPE_TAB_CONTENTS;
   } else if (view_type_string == kViewTypePopup) {
     view_type = VIEW_TYPE_EXTENSION_POPUP;
   } else if (view_type_string == kViewTypeExtensionDialog) {
@@ skipping 31 matching lines @@
       v8::Local<v8::Value> window = context->Global();
       DCHECK(!window.IsEmpty());
       v8_views->Set(v8::Integer::New(args.GetIsolate(), v8_index++), window);
     }
   }
 
   args.GetReturnValue().Set(v8_views);
 }
 
 }  // namespace extensions