[cleanup][v8] Replace uses of deprecated API

R=haraken@chromium.org

Bug: v8:7295 v8:8015
Change-Id: Ie4d7a011d3c20c2997fc9ee309dcc2aa83174d1a
Reviewed-on: https://chromium-review.googlesource.com/1238158Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593137}

content/renderer/web_ui_extension.cc

@@ -74,13 +74,16 @@ void WebUIExtension::Install(blink::WebLocalFrame* frame) {
 
   v8::Local<v8::Object> chrome = GetOrCreateChromeObject(isolate,
                                                           context->Global());
-  chrome->Set(gin::StringToSymbol(isolate, "send"),
-              gin::CreateFunctionTemplate(
-                  isolate, base::Bind(&WebUIExtension::Send))->GetFunction());
+  chrome->Set(
+      gin::StringToSymbol(isolate, "send"),
+      gin::CreateFunctionTemplate(isolate, base::Bind(&WebUIExtension::Send))
+          ->GetFunction(context)
+          .ToLocalChecked());
   chrome->Set(gin::StringToSymbol(isolate, "getVariableValue"),
               gin::CreateFunctionTemplate(
                   isolate, base::Bind(&WebUIExtension::GetVariableValue))
-                  ->GetFunction());
+                  ->GetFunction(context)
+                  .ToLocalChecked());
 }
 
 // static