Update uses of UTF conversions in content/ to use the base:: namespace.

content/renderer/external_popup_menu_browsertest.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/strings/utf_string_conversions.h"
 #include "content/common/view_messages.h"
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/render_view_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/web/WebView.h"
@@ skipping 39 matching lines @@
 
     // Load the test page.
     LoadHTML(html.c_str());
 
     // Set a minimum size and give focus so simulated events work.
     view()->webwidget()->resize(blink::WebSize(500, 500));
     view()->webwidget()->setFocus(true);
   }
 
   int GetSelectedIndex() {
-    base::string16 script(ASCIIToUTF16(kSelectID));
-    script.append(ASCIIToUTF16(".selectedIndex"));
+    base::string16 script(base::ASCIIToUTF16(kSelectID));
+    script.append(base::ASCIIToUTF16(".selectedIndex"));
     int selected_index = -1;
     ExecuteJavaScriptAndReturnIntValue(script, &selected_index);
     return selected_index;
   }
 
  protected:
   virtual bool ShouldRemoveSelectOnChange() const { return false; }
 
   DISALLOW_COPY_AND_ASSIGN(ExternalPopupMenuTest);
 };
@@ skipping 67 matching lines @@
 
   // Select something, it causes the select to be removed from the page.
   view()->OnSelectPopupMenuItem(0);
 
   // Just to check the soundness of the test, call SimulateElementClick again.
   // It should return false as the select has been removed.
   EXPECT_FALSE(SimulateElementClick(kSelectID));
 }
 
 }  // namespace content