Tidy ifdefs in fpdfsdk.

fpdfsdk/src/jsapi/fxjs_v8.cpp

Index: fpdfsdk/src/jsapi/fxjs_v8.cpp
diff --git a/fpdfsdk/src/jsapi/fxjs_v8.cpp b/fpdfsdk/src/jsapi/fxjs_v8.cpp
index d7d2ef54af43a36dbd29eff278a970eac6f0d83b..b06f747edb60c0b64742cc517eef31135a8141a2 100644
--- a/fpdfsdk/src/jsapi/fxjs_v8.cpp
+++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp
@@ -283,7 +283,7 @@ void FXJS_InitializeRuntime(
   v8::Isolate::Scope isolate_scope(pIsolate);
 #ifdef PDF_ENABLE_XFA
   v8::Locker locker(pIsolate);
-#endif
+#endif  // PDF_ENABLE_XFA
   v8::HandleScope handle_scope(pIsolate);
   v8::Local<v8::Context> v8Context =
       v8::Context::New(pIsolate, NULL, GetGlobalObjectTemplate(pIsolate));
@@ -329,7 +329,7 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
   v8::Isolate::Scope isolate_scope(pIsolate);
 #ifdef PDF_ENABLE_XFA
   v8::Locker locker(pIsolate);
-#endif
+#endif  // PDF_ENABLE_XFA
   v8::HandleScope handle_scope(pIsolate);
   v8::Local<v8::Context> context =
       v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext);
@@ -342,8 +342,8 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
 #ifdef PDF_ENABLE_XFA
   // XFA, if present, should have already cleaned itself up.
   FXSYS_assert(!pData->m_pFXJSERuntimeData);
+#endif  // PDF_ENABLE_XFA
 
-#endif
   int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
   for (int i = 0; i < maxID; ++i) {
     CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
@@ -385,8 +385,8 @@ void FXJS_SetRuntimeForV8Context(v8::Local<v8::Context> v8Context,
                                  IJS_Runtime* pIRuntime) {
   v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime);
 }
+#endif  // PDF_ENABLE_XFA
 
-#endif
 int FXJS_Execute(v8::Isolate* pIsolate,
                  IJS_Context* pJSContext,
                  const wchar_t* script,