Lowercase JS_Define.{h,cpp} and CJS_Define.h

Consistency with file naming conventions.
No functional change.

Change-Id: I596c4be5bbf0510950c44a7d9d80f59537739c3b
Reviewed-on: https://pdfium-review.googlesource.com/33593
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/cjs_runtime.cpp b/fxjs/cjs_runtime.cpp
index b47c595..22dc904 100644
--- a/fxjs/cjs_runtime.cpp
+++ b/fxjs/cjs_runtime.cpp
@@ -9,7 +9,6 @@
 #include <algorithm>
 
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
-#include "fxjs/JS_Define.h"
 #include "fxjs/cjs_annot.h"
 #include "fxjs/cjs_app.h"
 #include "fxjs/cjs_border.h"
@@ -39,6 +38,7 @@
 #include "fxjs/cjs_timerobj.h"
 #include "fxjs/cjs_util.h"
 #include "fxjs/cjs_zoomtype.h"
+#include "fxjs/js_define.h"
 #include "public/fpdf_formfill.h"
 #include "third_party/base/stl_util.h"