Rename the CScript_* files to match class names.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 562036ad23cf8a4d396f1a34279722fe44e4a22d..f4f4092c4fd240718388c3cdaae01661737381c0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1327,6 +1327,18 @@ if (pdf_enable_xfa) {
       "xfa/fxfa/include/xfa_ffwidgethandler.h",
       "xfa/fxfa/include/xfa_fontmgr.h",
       "xfa/fxfa/include/xfa_rendercontext.h",
+      "xfa/fxfa/parser/cscript_datawindow.cpp",
+      "xfa/fxfa/parser/cscript_datawindow.h",
+      "xfa/fxfa/parser/cscript_eventpseudomodel.cpp",
+      "xfa/fxfa/parser/cscript_eventpseudomodel.h",
+      "xfa/fxfa/parser/cscript_hostpseudomodel.cpp",
+      "xfa/fxfa/parser/cscript_hostpseudomodel.h",
+      "xfa/fxfa/parser/cscript_layoutpseudomodel.cpp",
+      "xfa/fxfa/parser/cscript_layoutpseudomodel.h",
+      "xfa/fxfa/parser/cscript_logpseudomodel.cpp",
+      "xfa/fxfa/parser/cscript_logpseudomodel.h",
+      "xfa/fxfa/parser/cscript_signaturepseudomodel.cpp",
+      "xfa/fxfa/parser/cscript_signaturepseudomodel.h",
       "xfa/fxfa/parser/cxfa_arc.h",
       "xfa/fxfa/parser/cxfa_arraynodelist.cpp",
       "xfa/fxfa/parser/cxfa_assist.cpp",
@@ -1427,24 +1439,12 @@ if (pdf_enable_xfa) {
       "xfa/fxfa/parser/xfa_localevalue.h",
       "xfa/fxfa/parser/xfa_object.h",
       "xfa/fxfa/parser/xfa_script.h",
-      "xfa/fxfa/parser/xfa_script_datawindow.cpp",
-      "xfa/fxfa/parser/xfa_script_datawindow.h",
-      "xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp",
-      "xfa/fxfa/parser/xfa_script_eventpseudomodel.h",
-      "xfa/fxfa/parser/xfa_script_hostpseudomodel.cpp",
-      "xfa/fxfa/parser/xfa_script_hostpseudomodel.h",
       "xfa/fxfa/parser/xfa_script_imp.cpp",
       "xfa/fxfa/parser/xfa_script_imp.h",
-      "xfa/fxfa/parser/xfa_script_layoutpseudomodel.cpp",
-      "xfa/fxfa/parser/xfa_script_layoutpseudomodel.h",
-      "xfa/fxfa/parser/xfa_script_logpseudomodel.cpp",
-      "xfa/fxfa/parser/xfa_script_logpseudomodel.h",
       "xfa/fxfa/parser/xfa_script_nodehelper.cpp",
       "xfa/fxfa/parser/xfa_script_nodehelper.h",
       "xfa/fxfa/parser/xfa_script_resolveprocessor.cpp",
       "xfa/fxfa/parser/xfa_script_resolveprocessor.h",
-      "xfa/fxfa/parser/xfa_script_signaturepseudomodel.cpp",
-      "xfa/fxfa/parser/xfa_script_signaturepseudomodel.h",
       "xfa/fxfa/parser/xfa_utils.h",
       "xfa/fxfa/parser/xfa_utils_imp.cpp",
       "xfa/fxgraphics/cagg_graphics.cpp",