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

content/renderer/pepper/pepper_file_chooser_host_unittest.cc

 // Copyright (c) 2012 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/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/file_chooser_params.h"
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/pepper/mock_renderer_ppapi_host.h"
@@ skipping 41 matching lines @@
  private:
   PP_Instance pp_instance_;
 
   ppapi::TestGlobals globals_;
   TestContentClient client_;
 };
 
 // For testing to convert our hardcoded file paths to 8-bit.
 std::string FilePathToUTF8(const base::FilePath::StringType& path) {
 #if defined(OS_WIN)
-  return UTF16ToUTF8(path);
+  return base::UTF16ToUTF8(path);
 #else
   return path;
 #endif
 }
 
 }  // namespace
 
 TEST_F(PepperFileChooserHostTest, Show) {
   PP_Resource pp_resource = 123;
 
@@ skipping 17 matching lines @@
   const IPC::Message* msg = render_thread_->sink().GetUniqueMessageMatching(
       ViewHostMsg_RunFileChooser::ID);
   ASSERT_TRUE(msg);
   ViewHostMsg_RunFileChooser::Schema::Param call_msg_param;
   ASSERT_TRUE(ViewHostMsg_RunFileChooser::Read(msg, &call_msg_param));
   const FileChooserParams& chooser_params = call_msg_param.a;
 
   // Basic validation of request.
   EXPECT_EQ(FileChooserParams::Open, chooser_params.mode);
   ASSERT_EQ(1u, chooser_params.accept_types.size());
-  EXPECT_EQ(accept[0], UTF16ToUTF8(chooser_params.accept_types[0]));
+  EXPECT_EQ(accept[0], base::UTF16ToUTF8(chooser_params.accept_types[0]));
 
   // Send a chooser reply to the render view. Note our reply path has to have a
   // path separator so we include both a Unix and a Windows one.
   ui::SelectedFileInfo selected_info;
   selected_info.display_name = FILE_PATH_LITERAL("Hello, world");
   selected_info.local_path = base::FilePath(FILE_PATH_LITERAL("myp\\ath/foo"));
   std::vector<ui::SelectedFileInfo> selected_info_vector;
   selected_info_vector.push_back(selected_info);
   RenderViewImpl* view_impl = static_cast<RenderViewImpl*>(view_);
   ViewMsg_RunFileChooserResponse response(view_impl->routing_id(),
@@ skipping 32 matching lines @@
   accept.push_back("text/plain");
   PpapiHostMsg_FileChooser_Show show_msg(false, false, std::string(), accept);
 
   ppapi::proxy::ResourceMessageCallParams call_params(pp_resource, 0);
   ppapi::host::HostMessageContext context(call_params);
   int32 result = chooser.OnResourceMessageReceived(show_msg, &context);
   EXPECT_EQ(PP_ERROR_NO_USER_GESTURE, result);
 }
 
 }  // namespace content