Make the vast majority of JS headers private to src/javascript.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 84f2fbb19d91e28c848ab3386c8fd72bda4b1532..8b9ed85a92ec2bbf1dad175dde2977103affcd5f 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -630,46 +630,46 @@ static_library("pdfwindow") {
 
 static_library("javascript") {
   sources = [
-    "fpdfsdk/include/javascript/Consts.h",
-    "fpdfsdk/include/javascript/Document.h",
-    "fpdfsdk/include/javascript/Field.h",
     "fpdfsdk/include/javascript/IJavaScript.h",
-    "fpdfsdk/include/javascript/Icon.h",
-    "fpdfsdk/include/javascript/JS_Context.h",
-    "fpdfsdk/include/javascript/JS_Define.h",
-    "fpdfsdk/include/javascript/JS_EventHandler.h",
-    "fpdfsdk/include/javascript/JS_GlobalData.h",
-    "fpdfsdk/include/javascript/JS_Object.h",
-    "fpdfsdk/include/javascript/JS_Runtime.h",
-    "fpdfsdk/include/javascript/JS_Value.h",
-    "fpdfsdk/include/javascript/PublicMethods.h",
-    "fpdfsdk/include/javascript/app.h",
-    "fpdfsdk/include/javascript/color.h",
-    "fpdfsdk/include/javascript/console.h",
-    "fpdfsdk/include/javascript/event.h",
-    "fpdfsdk/include/javascript/global.h",
-    "fpdfsdk/include/javascript/report.h",
-    "fpdfsdk/include/javascript/resource.h",
-    "fpdfsdk/include/javascript/util.h",
     "fpdfsdk/src/javascript/Consts.cpp",
+    "fpdfsdk/src/javascript/Consts.h",
     "fpdfsdk/src/javascript/Document.cpp",
+    "fpdfsdk/src/javascript/Document.h",
     "fpdfsdk/src/javascript/Field.cpp",
+    "fpdfsdk/src/javascript/Field.h",
     "fpdfsdk/src/javascript/Icon.cpp",
+    "fpdfsdk/src/javascript/Icon.h",
     "fpdfsdk/src/javascript/JS_Context.cpp",
+    "fpdfsdk/src/javascript/JS_Context.h",
+    "fpdfsdk/src/javascript/JS_Define.h",
     "fpdfsdk/src/javascript/JS_EventHandler.cpp",
+    "fpdfsdk/src/javascript/JS_EventHandler.h",
     "fpdfsdk/src/javascript/JS_GlobalData.cpp",
+    "fpdfsdk/src/javascript/JS_GlobalData.h",
     "fpdfsdk/src/javascript/JS_Object.cpp",
+    "fpdfsdk/src/javascript/JS_Object.h",
     "fpdfsdk/src/javascript/JS_Runtime.cpp",
+    "fpdfsdk/src/javascript/JS_Runtime.h",
     "fpdfsdk/src/javascript/JS_Value.cpp",
+    "fpdfsdk/src/javascript/JS_Value.h",
     "fpdfsdk/src/javascript/PublicMethods.cpp",
+    "fpdfsdk/src/javascript/PublicMethods.h",
     "fpdfsdk/src/javascript/app.cpp",
+    "fpdfsdk/src/javascript/app.h",
     "fpdfsdk/src/javascript/color.cpp",
+    "fpdfsdk/src/javascript/color.h",
     "fpdfsdk/src/javascript/console.cpp",
+    "fpdfsdk/src/javascript/console.h",
     "fpdfsdk/src/javascript/event.cpp",
+    "fpdfsdk/src/javascript/event.h",
     "fpdfsdk/src/javascript/global.cpp",
+    "fpdfsdk/src/javascript/global.h",
     "fpdfsdk/src/javascript/report.cpp",
+    "fpdfsdk/src/javascript/report.h",
     "fpdfsdk/src/javascript/resource.cpp",
+    "fpdfsdk/src/javascript/resource.h",
     "fpdfsdk/src/javascript/util.cpp",
+    "fpdfsdk/src/javascript/util.h",
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]