Replace extensions::ScopedPersistent with v8::UniquePersistent.

extensions/renderer/render_view_observer_natives.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/renderer/render_view_observer_natives.h"
 
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "extensions/common/extension_api.h"
 #include "extensions/renderer/script_context.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h"
 
 namespace extensions {
 
 namespace {
 
 // Deletes itself when done.
 class LoadWatcher : public content::RenderViewObserver {
  public:
   LoadWatcher(ScriptContext* context,
               content::RenderView* view,
               v8::Handle<v8::Function> cb)
-      : content::RenderViewObserver(view), context_(context), callback_(cb) {}
+      : content::RenderViewObserver(view),
+        context_(context),
+        callback_(context->isolate(), cb) {}
 
   void DidCreateDocumentElement(blink::WebLocalFrame* frame) override {
     CallbackAndDie(true);
   }
 
   void DidFailProvisionalLoad(blink::WebLocalFrame* frame,
                               const blink::WebURLError& error) override {
     CallbackAndDie(false);
   }
 
  private:
   void CallbackAndDie(bool succeeded) {
     v8::Isolate* isolate = context_->isolate();
     v8::HandleScope handle_scope(isolate);
     v8::Handle<v8::Value> args[] = {v8::Boolean::New(isolate, succeeded)};
-    context_->CallFunction(callback_.NewHandle(isolate), 1, args);
+    context_->CallFunction(v8::Local<v8::Function>::New(isolate, callback_),
+                           arraysize(args), args);
     delete this;
   }
 
   ScriptContext* context_;
-  ScopedPersistent<v8::Function> callback_;
+  v8::UniquePersistent<v8::Function> callback_;
   DISALLOW_COPY_AND_ASSIGN(LoadWatcher);
 };
 }  // namespace
 
 RenderViewObserverNatives::RenderViewObserverNatives(ScriptContext* context)
     : ObjectBackedNativeHandler(context) {
   RouteFunction("OnDocumentElementCreated",
                 base::Bind(&RenderViewObserverNatives::OnDocumentElementCreated,
                            base::Unretained(this)));
 }
@@ skipping 11 matching lines @@
     LOG(WARNING) << "No render view found to register LoadWatcher.";
     return;
   }
 
   new LoadWatcher(context(), view, args[1].As<v8::Function>());
 
   args.GetReturnValue().Set(true);
 }
 
 }  // namespace extensions