Add a dependency from Gin to base

gin/per_context_data.cc

 // Copyright 2013 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 "gin/per_context_data.h"
 
-#include <assert.h>
+#include "base/logging.h"
 #include "gin/wrapper_info.h"
 
 namespace gin {
 
 ContextSupplement::ContextSupplement() {
 }
 
 ContextSupplement::~ContextSupplement() {
 }
 
 PerContextData::PerContextData(v8::Handle<v8::Context> context) {
   context->SetAlignedPointerInEmbedderData(kEncodedValueIndex, this);
 }
 
 PerContextData::~PerContextData() {
-  assert(supplements_.empty());
+  DCHECK(supplements_.empty());
 }
 
 void PerContextData::Detach(v8::Handle<v8::Context> context) {
-  assert(From(context) == this);
+  DCHECK(From(context) == this);
   context->SetAlignedPointerInEmbedderData(kEncodedValueIndex, NULL);
 
   SuplementVector supplements;
   supplements.swap(supplements_);
 
   for (SuplementVector::iterator it = supplements.begin();
        it != supplements.end(); ++it) {
     (*it)->Detach(context);
-    delete *it;
   }
 }
 
 PerContextData* PerContextData::From(v8::Handle<v8::Context> context) {
   return static_cast<PerContextData*>(
       context->GetAlignedPointerFromEmbedderData(kEncodedValueIndex));
 }
 
-void PerContextData::AddSupplement(ContextSupplement* supplement) {
-  supplements_.push_back(supplement);
+void PerContextData::AddSupplement(scoped_ptr<ContextSupplement> supplement) {
+  supplements_.push_back(supplement.release());
 }
 
 }  // namespace gin