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

pdfium.gyp

Index: pdfium.gyp
diff --git a/pdfium.gyp b/pdfium.gyp
index 5acc62e9eedd4f8642df4aa247d7c3e8d97afc9e..b12d17fdf24b7293bd530cae3481ee79e8283141 100644
--- a/pdfium.gyp
+++ b/pdfium.gyp
@@ -623,46 +623,49 @@
       ],
       'ldflags': [ '-L<(PRODUCT_DIR)',],
       'sources': [
-        'fpdfsdk/include/javascript/app.h',
-        'fpdfsdk/include/javascript/color.h',
-        'fpdfsdk/include/javascript/console.h',
-        'fpdfsdk/include/javascript/Consts.h',
-        'fpdfsdk/include/javascript/Document.h',
-        'fpdfsdk/include/javascript/event.h',
-        'fpdfsdk/include/javascript/Field.h',
-        'fpdfsdk/include/javascript/global.h',
-        'fpdfsdk/include/javascript/Icon.h',
         'fpdfsdk/include/javascript/IJavaScript.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/report.h',
-        'fpdfsdk/include/javascript/resource.h',
-        'fpdfsdk/include/javascript/util.h',
         'fpdfsdk/src/javascript/app.cpp',
         'fpdfsdk/src/javascript/color.cpp',
         'fpdfsdk/src/javascript/console.cpp',
         'fpdfsdk/src/javascript/Consts.cpp',
+        'fpdfsdk/src/javascript/Consts.h',
         'fpdfsdk/src/javascript/Document.cpp',
-        'fpdfsdk/src/javascript/event.cpp',
+        'fpdfsdk/src/javascript/Document.h',
         'fpdfsdk/src/javascript/Field.cpp',
-        'fpdfsdk/src/javascript/global.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',
       ],
     },
     {