extensions/renderer: Use v8::Local instead of v8::Handle.

Turns out, Handle is just an alias for Local:
https://chromium.googlesource.com/v8/v8.git/+/master/include/v8.h#334

BUG=424445
[email protected]

Review URL: https://codereview.chromium.org/1115563002

Cr-Commit-Position: refs/heads/master@{#327515}
diff --git a/extensions/renderer/binding_generating_native_handler.cc b/extensions/renderer/binding_generating_native_handler.cc
index b502d1d..2f5dc6f 100644
--- a/extensions/renderer/binding_generating_native_handler.cc
+++ b/extensions/renderer/binding_generating_native_handler.cc
@@ -14,26 +14,26 @@
     const std::string& bind_to)
     : module_system_(module_system), api_name_(api_name), bind_to_(bind_to) {}
 
-v8::Handle<v8::Object> BindingGeneratingNativeHandler::NewInstance() {
+v8::Local<v8::Object> BindingGeneratingNativeHandler::NewInstance() {
   v8::Isolate* isolate = module_system_->GetIsolate();
   v8::EscapableHandleScope scope(isolate);
-  v8::Handle<v8::Object> binding_module =
+  v8::Local<v8::Object> binding_module =
       module_system_->Require("binding")->ToObject(isolate);
-  v8::Handle<v8::Object> binding =
+  v8::Local<v8::Object> binding =
       binding_module->Get(v8::String::NewFromUtf8(isolate, "Binding"))
           ->ToObject(isolate);
-  v8::Handle<v8::Function> create_binding =
+  v8::Local<v8::Function> create_binding =
       binding->Get(v8::String::NewFromUtf8(isolate, "create"))
           .As<v8::Function>();
-  v8::Handle<v8::Value> argv[] = {
+  v8::Local<v8::Value> argv[] = {
       v8::String::NewFromUtf8(isolate, api_name_.c_str())};
-  v8::Handle<v8::Object> binding_instance =
+  v8::Local<v8::Object> binding_instance =
       create_binding->Call(binding, arraysize(argv), argv)->ToObject(isolate);
-  v8::Handle<v8::Function> generate =
+  v8::Local<v8::Function> generate =
       binding_instance->Get(v8::String::NewFromUtf8(isolate, "generate"))
           .As<v8::Function>();
   v8::Local<v8::Object> object = v8::Object::New(isolate);
-  v8::Handle<v8::Value> compiled_schema =
+  v8::Local<v8::Value> compiled_schema =
       generate->Call(binding_instance, 0, NULL);
   if (!compiled_schema.IsEmpty()) {
     object->Set(v8::String::NewFromUtf8(isolate, bind_to_.c_str()),