Switch SupportsUserData uses to use unique_ptr.

extensions/renderer/api_binding_hooks.cc

 // Copyright 2016 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/api_binding_hooks.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/supports_user_data.h"
 #include "extensions/renderer/api_binding_hooks_delegate.h"
@@ skipping 154 matching lines @@
   APIHooksPerContextData* data = static_cast<APIHooksPerContextData*>(
       per_context_data->GetUserData(kExtensionAPIHooksPerContextKey));
   if (!data) {
     if (!should_create)
       return v8::Local<v8::Object>();
 
     auto api_data =
         base::MakeUnique<APIHooksPerContextData>(context->GetIsolate());
     data = api_data.get();
     per_context_data->SetUserData(kExtensionAPIHooksPerContextKey,
-                                  api_data.release());
+                                  std::move(api_data));
   }
 
   auto iter = data->hook_interfaces.find(api_name);
   if (iter != data->hook_interfaces.end())
     return iter->second.Get(context->GetIsolate());
 
   if (!should_create)
     return v8::Local<v8::Object>();
 
   gin::Handle<JSHookInterface> hooks =
@@ skipping 172 matching lines @@
   if (result.IsEmpty() ||
       !gin::Converter<std::vector<v8::Local<v8::Value>>>::FromV8(
           context->GetIsolate(), result, &new_args)) {
     return false;
   }
   arguments->swap(new_args);
   return true;
 }
 
 }  // namespace extensions