Merge to XFA: Fix a leak with g_DefaultGlobalObjectTemplate.

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 80def30f96a2f95373b540895d3452e6a5ae9158..f400efbcd5ae42fa0d0e758a20c798b654dd7930 100644
--- a/fpdfsdk/src/jsapi/fxjs_v8.cpp
+++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp
@@ -137,6 +137,7 @@ void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) {
 
 void FXJS_Release() {
   ASSERT(!g_isolate || g_isolate_ref_count == 0);
+  delete g_DefaultGlobalObjectTemplate;
   g_DefaultGlobalObjectTemplate = nullptr;
   g_isolate = nullptr;