Remove IXFA_* interfaces.

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 1380 matching lines @@
       "xfa/fxbarcode/qrcode/BC_QRDetectorResult.cpp",
       "xfa/fxbarcode/qrcode/BC_QRDetectorResult.h",
       "xfa/fxbarcode/qrcode/BC_QRFinderPattern.cpp",
       "xfa/fxbarcode/qrcode/BC_QRFinderPattern.h",
       "xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.cpp",
       "xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h",
       "xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp",
       "xfa/fxbarcode/qrcode/BC_QRGridSampler.h",
       "xfa/fxbarcode/utils.h",
       "xfa/fxfa/app/xfa_checksum.cpp",
-      "xfa/fxfa/app/xfa_checksum.h",
       "xfa/fxfa/app/xfa_ffapp.cpp",
-      "xfa/fxfa/app/xfa_ffapp.h",
       "xfa/fxfa/app/xfa_ffbarcode.cpp",
       "xfa/fxfa/app/xfa_ffbarcode.h",
       "xfa/fxfa/app/xfa_ffcheckbutton.cpp",
       "xfa/fxfa/app/xfa_ffcheckbutton.h",
       "xfa/fxfa/app/xfa_ffchoicelist.cpp",
       "xfa/fxfa/app/xfa_ffchoicelist.h",
       "xfa/fxfa/app/xfa_ffdoc.cpp",
-      "xfa/fxfa/app/xfa_ffdoc.h",
       "xfa/fxfa/app/xfa_ffdochandler.cpp",
-      "xfa/fxfa/app/xfa_ffdochandler.h",
       "xfa/fxfa/app/xfa_ffdocview.cpp",
-      "xfa/fxfa/app/xfa_ffdocview.h",
       "xfa/fxfa/app/xfa_ffdraw.cpp",
       "xfa/fxfa/app/xfa_ffdraw.h",
       "xfa/fxfa/app/xfa_ffexclgroup.cpp",
       "xfa/fxfa/app/xfa_ffexclgroup.h",
       "xfa/fxfa/app/xfa_fffield.cpp",
       "xfa/fxfa/app/xfa_fffield.h",
       "xfa/fxfa/app/xfa_ffimage.cpp",
       "xfa/fxfa/app/xfa_ffimage.h",
       "xfa/fxfa/app/xfa_ffimageedit.cpp",
       "xfa/fxfa/app/xfa_ffimageedit.h",
       "xfa/fxfa/app/xfa_ffnotify.cpp",
       "xfa/fxfa/app/xfa_ffnotify.h",
       "xfa/fxfa/app/xfa_ffpageview.cpp",
-      "xfa/fxfa/app/xfa_ffpageview.h",
       "xfa/fxfa/app/xfa_ffpath.cpp",
       "xfa/fxfa/app/xfa_ffpath.h",
       "xfa/fxfa/app/xfa_ffpushbutton.cpp",
       "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_ffwidgethandler.h",
       "xfa/fxfa/app/xfa_fontmgr.cpp",
-      "xfa/fxfa/app/xfa_fontmgr.h",
       "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_rendercontext.h",
       "xfa/fxfa/app/xfa_textlayout.cpp",
       "xfa/fxfa/app/xfa_textlayout.h",
       "xfa/fxfa/fm2js/xfa_error.cpp",
       "xfa/fxfa/fm2js/xfa_error.h",
       "xfa/fxfa/fm2js/xfa_expression.cpp",
       "xfa/fxfa/fm2js/xfa_expression.h",
       "xfa/fxfa/fm2js/xfa_fm2jsapi.cpp",
       "xfa/fxfa/fm2js/xfa_fm2jsapi.h",
       "xfa/fxfa/fm2js/xfa_fm2jscontext.cpp",
       "xfa/fxfa/fm2js/xfa_fm2jscontext.h",
@@ skipping 72 matching lines @@
       "xfa/fxgraphics/cfx_pattern.cpp",
       "xfa/fxgraphics/cfx_pattern.h",
       "xfa/fxgraphics/cfx_shading.cpp",
       "xfa/fxgraphics/cfx_shading.h",
       "xfa/fxgraphics/include/cfx_graphics.h",
       "xfa/fxjse/include/fxjse.h",
       "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_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",
         "xfa/fxjse/context.cpp",
         "xfa/fxjse/context.h",
         "xfa/fxjse/dynprop.cpp",
@@ skipping 112 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }