Use V8 Maybe APIs in extensions/renderer

extensions/renderer/runtime_custom_bindings.cc

Index: extensions/renderer/runtime_custom_bindings.cc
diff --git a/extensions/renderer/runtime_custom_bindings.cc b/extensions/renderer/runtime_custom_bindings.cc
index 483f08b7796d2f2c2f80634cf70a6d3ce9b1f680..29ae4f3443ccf815206f001c7aced5d5e3458eda 100644
--- a/extensions/renderer/runtime_custom_bindings.cc
+++ b/extensions/renderer/runtime_custom_bindings.cc
@@ -69,7 +69,7 @@ void RuntimeCustomBindings::OpenChannelToExtension(
   info.source_url = context()->GetURL();
   std::string channel_name = *v8::String::Utf8Value(args[1]);
   bool include_tls_channel_id =
-      args.Length() > 2 ? args[2]->BooleanValue() : false;
+      args.Length() > 2 ? args[2].As<v8::Boolean>()->Value() : false;
   int port_id = -1;
   renderframe->Send(new ExtensionHostMsg_OpenChannelToExtension(
       renderframe->GetRoutingID(), info, channel_name, include_tls_channel_id,
@@ -126,7 +126,7 @@ void RuntimeCustomBindings::GetExtensionViews(
 
   // |browser_window_id| == extension_misc::kUnknownWindowId means getting
   // all views for the current extension.
-  int browser_window_id = args[0]->Int32Value();
+  int browser_window_id = args[0].As<v8::Int32>()->Value();
 
   std::string view_type_string = *v8::String::Utf8Value(args[1]);
   StringToUpperASCII(&view_type_string);
@@ -165,7 +165,10 @@ void RuntimeCustomBindings::GetExtensionViews(
     if (!context.IsEmpty()) {
       v8::Local<v8::Value> window = context->Global();
       DCHECK(!window.IsEmpty());
-      v8_views->Set(v8::Integer::New(args.GetIsolate(), v8_index++), window);
+      auto maybe = v8_views->Set(
+          context, v8::Integer::New(args.GetIsolate(), v8_index++), window);
+      if (maybe.IsNothing() || !maybe.FromJust())
+        return;
     }
   }