[Extensions Bindings] Support ArrayBufferView in idl files

extensions/renderer/api_bindings_system.cc

Index: extensions/renderer/api_bindings_system.cc
diff --git a/extensions/renderer/api_bindings_system.cc b/extensions/renderer/api_bindings_system.cc
index 11011903e7de4f31ead43ec423f64df01c36843b..be100cdd19bdf204bda505abe52d04054d078e85 100644
--- a/extensions/renderer/api_bindings_system.cc
+++ b/extensions/renderer/api_bindings_system.cc
@@ -90,7 +90,7 @@ void APIBindingsSystem::InitializeType(const std::string& type_name) {
   std::string api_name = type_name.substr(0, dot);
   // If we've already instantiated the binding, the type should have been in
   // there.
-  DCHECK(api_bindings_.find(api_name) == api_bindings_.end());
+  DCHECK(api_bindings_.find(api_name) == api_bindings_.end()) << api_name;
 
   api_bindings_[api_name] = CreateNewAPIBinding(api_name);
 }