Use V8 Maybe APIs in extensions/renderer

extensions/renderer/console.cc

Index: extensions/renderer/console.cc
diff --git a/extensions/renderer/console.cc b/extensions/renderer/console.cc
index 172c5915bd06430c3a63d8684f6beb2d98ada31d..110288e999293b0095e6ad967b692e105d6f9ded 100644
--- a/extensions/renderer/console.cc
+++ b/extensions/renderer/console.cc
@@ -14,6 +14,7 @@
 #include "content/public/renderer/render_view_visitor.h"
 #include "extensions/renderer/dispatcher.h"
 #include "extensions/renderer/extension_helper.h"
+#include "extensions/renderer/v8_maybe_helpers.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
@@ -82,12 +83,17 @@ void BindLogMethod(v8::Isolate* isolate,
                    v8::Local<v8::Object> target,
                    const std::string& name,
                    LogMethod log_method) {
+  CHECK(name.size() < v8::String::kMaxLength);
   v8::Local<v8::FunctionTemplate> tmpl = v8::FunctionTemplate::New(
       isolate,
       &BoundLogMethodCallback,
       v8::External::New(isolate, reinterpret_cast<void*>(log_method)));
-  target->Set(v8::String::NewFromUtf8(isolate, name.c_str()),
-              tmpl->GetFunction());
+  v8::Local<v8::String> property = ToV8String(isolate, name.c_str());
+  v8::Local<v8::Context> context = isolate->GetCurrentContext();
+  v8::Local<v8::Function> function;
+  if (!tmpl->GetFunction(context).ToLocal(&function))
+    NOTREACHED();
+  SetProperty(context, target, property, function);
 }
 
 }  // namespace