Move the fpdfsdk/include/javascript folder

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 763 matching lines @@
     "fpdfsdk/pdfwindow/PWL_Utils.cpp",
     "fpdfsdk/pdfwindow/PWL_Utils.h",
     "fpdfsdk/pdfwindow/PWL_Wnd.cpp",
     "fpdfsdk/pdfwindow/PWL_Wnd.h",
   ]
   configs += [ ":pdfium_config" ]
 }
 
 static_library("javascript") {
   sources = [
-    "fpdfsdk/include/javascript/IJavaScript.h",
+    "fpdfsdk/javascript/ijs_context.h",
+    "fpdfsdk/javascript/ijs_runtime.h",
   ]
   if (pdf_enable_v8) {
     sources += [
       "fpdfsdk/include/jsapi/fxjs_v8.h",
       "fpdfsdk/javascript/Consts.cpp",
       "fpdfsdk/javascript/Consts.h",
       "fpdfsdk/javascript/Document.cpp",
       "fpdfsdk/javascript/Document.h",
       "fpdfsdk/javascript/Field.cpp",
       "fpdfsdk/javascript/Field.h",
@@ skipping 875 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }