Cleanup the FF Handler proxy methods.

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_config") {
   cflags = []
@@ skipping 1408 matching lines @@
       "xfa/fxfa/app/xfa_ffpushbutton.h",
       "xfa/fxfa/app/xfa_ffsignature.cpp",
       "xfa/fxfa/app/xfa_ffsignature.h",
       "xfa/fxfa/app/xfa_ffsubform.cpp",
       "xfa/fxfa/app/xfa_ffsubform.h",
       "xfa/fxfa/app/xfa_fftext.cpp",
       "xfa/fxfa/app/xfa_fftext.h",
       "xfa/fxfa/app/xfa_fftextedit.cpp",
       "xfa/fxfa/app/xfa_fftextedit.h",
       "xfa/fxfa/app/xfa_ffwidget.cpp",
-      "xfa/fxfa/app/xfa_ffwidget.h",
       "xfa/fxfa/app/xfa_ffwidgetacc.cpp",
       "xfa/fxfa/app/xfa_ffwidgetacc.h",
       "xfa/fxfa/app/xfa_ffwidgethandler.cpp",
       "xfa/fxfa/app/xfa_fontmgr.cpp",
       "xfa/fxfa/app/xfa_fwladapter.cpp",
       "xfa/fxfa/app/xfa_fwladapter.h",
       "xfa/fxfa/app/xfa_fwltheme.cpp",
       "xfa/fxfa/app/xfa_fwltheme.h",
       "xfa/fxfa/app/xfa_rendercontext.cpp",
       "xfa/fxfa/app/xfa_textlayout.cpp",
@@ skipping 87 matching lines @@
       "xfa/include/fxfa/fxfa.h",
       "xfa/include/fxfa/fxfa_basic.h",
       "xfa/include/fxfa/fxfa_objectacc.h",
       "xfa/include/fxfa/fxfa_widget.h",
       "xfa/include/fxfa/xfa_checksum.h",
       "xfa/include/fxfa/xfa_ffapp.h",
       "xfa/include/fxfa/xfa_ffdoc.h",
       "xfa/include/fxfa/xfa_ffdochandler.h",
       "xfa/include/fxfa/xfa_ffdocview.h",
       "xfa/include/fxfa/xfa_ffpageview.h",
+      "xfa/include/fxfa/xfa_ffwidget.h",
       "xfa/include/fxfa/xfa_ffwidgethandler.h",
       "xfa/include/fxfa/xfa_fontmgr.h",
       "xfa/include/fxfa/xfa_rendercontext.h",
     ]
     include_dirs = [ "." ]
     if (pdf_enable_v8) {
       sources += [
         "xfa/fxjse/cfxjse_arguments.h",
         "xfa/fxjse/class.cpp",
         "xfa/fxjse/class.h",
@@ skipping 117 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }