Rename CJS_Return to CJS_Result.

"Return" is a verb, and "return" is a reserved-word at that,
so avoid using it as part of a class name.

Fully mechanical change apart from rename.

Change-Id: I120e453e8ba001c4ab74a39e2da6aa6eb590835f
Reviewed-on: https://pdfium-review.googlesource.com/40532
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/cjs_icon.h b/fxjs/cjs_icon.h
index 05fa430..6df671b 100644
--- a/fxjs/cjs_icon.h
+++ b/fxjs/cjs_icon.h
@@ -27,8 +27,8 @@
   static const char kName[];
   static const JSPropertySpec PropertySpecs[];
 
-  CJS_Return get_name(CJS_Runtime* pRuntime);
-  CJS_Return set_name(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp);
+  CJS_Result get_name(CJS_Runtime* pRuntime);
+  CJS_Result set_name(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp);
 
   WideString m_swIconName;
 };