Move fxjs/include to fxjs

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 992 matching lines @@
   configs += [ ":pdfium_core_config" ]
   deps = [
     ":fxcrt",
   ]
 }
 
 if (pdf_enable_v8) {
   static_library("fxjs") {
     sources = [
       "fxjs/fxjs_v8.cpp",
-      "fxjs/include/fxjs_v8.h",
+      "fxjs/fxjs_v8.h",
     ]
     configs += [ ":pdfium_core_config" ]
     deps = [
       ":fxcrt",
       "//v8",
       "//v8:v8_libplatform",
     ]
     include_dirs = [
       "//v8",
       "//v8/include",
     ]
     public_deps = [
       "//v8",
     ]
 
     if (pdf_enable_xfa) {
       sources += [
         "fxjs/cfxjse_arguments.cpp",
+        "fxjs/cfxjse_arguments.h",
         "fxjs/cfxjse_class.cpp",
+        "fxjs/cfxjse_class.h",
         "fxjs/cfxjse_context.cpp",
+        "fxjs/cfxjse_context.h",
         "fxjs/cfxjse_isolatetracker.cpp",
         "fxjs/cfxjse_isolatetracker.h",
         "fxjs/cfxjse_runtimedata.cpp",
         "fxjs/cfxjse_runtimedata.h",
         "fxjs/cfxjse_value.cpp",
-        "fxjs/include/cfxjse_arguments.h",
-        "fxjs/include/cfxjse_class.h",
-        "fxjs/include/cfxjse_context.h",
-        "fxjs/include/cfxjse_value.h",
-        "fxjs/include/fxjse.h",
+        "fxjs/cfxjse_value.h",
+        "fxjs/fxjse.h",
       ]
     }
   }
 }
 
 if (pdf_enable_xfa) {
   static_library("fpdfxfa") {
     sources = [
       "fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp",
       "fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h",
@@ skipping 702 matching lines @@
 }
 
 if (pdf_is_standalone) {
   source_set("samples") {
     testonly = true
     deps = [
       "//samples",
     ]
   }
 }