Rename fxmath_barcodeimp to cfx_barcode

BUILD.gn

 # Copyright 2016 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.
 
 import("//build_overrides/v8.gni")
 import("//testing/test.gni")
 import("pdfium.gni")
 
 config("pdfium_common_config") {
   cflags = []
@@ skipping 1000 matching lines @@
       "xfa/fwl/basewidget/fwl_pictureboximp.cpp",
       "xfa/fwl/basewidget/fwl_pictureboximp.h",
       "xfa/fwl/basewidget/fwl_pushbuttonimp.cpp",
       "xfa/fwl/basewidget/fwl_pushbuttonimp.h",
       "xfa/fwl/basewidget/fwl_scrollbarimp.cpp",
       "xfa/fwl/basewidget/fwl_scrollbarimp.h",
       "xfa/fwl/basewidget/fwl_spinbuttonimp.cpp",
       "xfa/fwl/basewidget/fwl_spinbuttonimp.h",
       "xfa/fwl/basewidget/fwl_tooltipctrlimp.cpp",
       "xfa/fwl/basewidget/fwl_tooltipctrlimp.h",
-      "xfa/fwl/basewidget/fxmath_barcodeimp.cpp",
-      "xfa/fwl/basewidget/fxmath_barcodeimp.h",
+      "xfa/fwl/basewidget/cfx_barcode.cpp",

[Wei Li, 2016/06/16 16:50:12]

Move to be in alphabetical order?

[dsinclair, 2016/06/16 17:41:14]

Doh, I looked at the following and c comes before i, forgot to look at the
preceeding. Done.

+      "xfa/fwl/basewidget/cfx_barcode.h",
       "xfa/fwl/basewidget/ifwl_barcode.h",
       "xfa/fwl/basewidget/ifwl_caret.h",
       "xfa/fwl/basewidget/ifwl_checkbox.h",
       "xfa/fwl/basewidget/ifwl_combobox.h",
       "xfa/fwl/basewidget/ifwl_datetimepicker.h",
       "xfa/fwl/basewidget/ifwl_edit.h",
       "xfa/fwl/basewidget/ifwl_listbox.h",
       "xfa/fwl/basewidget/ifwl_monthcalendar.h",
       "xfa/fwl/basewidget/ifwl_picturebox.h",
       "xfa/fwl/basewidget/ifwl_pushbutton.h",
@@ skipping 674 matching lines @@
 }
 
 if (pdf_is_standalone) {
   source_set("samples") {
     testonly = true
     deps = [
       "//samples",
     ]
   }
 }