Port more uses of OwnPtr to std::unique_ptr

sky/engine/tonic/dart_state.cc

 // Copyright 2015 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 "sky/engine/tonic/dart_state.h"
 
 #include "sky/engine/tonic/dart_class_library.h"
 #include "sky/engine/tonic/dart_converter.h"
 #include "sky/engine/tonic/dart_exception_factory.h"
 #include "sky/engine/tonic/dart_library_loader.h"
 #include "sky/engine/tonic/dart_string_cache.h"
 #include "sky/engine/tonic/dart_timer_heap.h"
 #include "sky/engine/wtf/PassOwnPtr.h"
 
 namespace blink {
 
 DartState::Scope::Scope(DartState* dart_state) : scope_(dart_state->isolate()) {
 }
 
 DartState::Scope::~Scope() {
 }
 
 DartState::DartState()
     : isolate_(NULL),
-      class_library_(adoptPtr(new DartClassLibrary)),
-      exception_factory_(adoptPtr(new DartExceptionFactory(this))),
-      library_loader_(adoptPtr(new DartLibraryLoader(this))),
-      string_cache_(adoptPtr(new DartStringCache)),
-      timer_heap_(adoptPtr(new DartTimerHeap())),
+      class_library_(std::unique_ptr<DartClassLibrary>(new DartClassLibrary)),
+      exception_factory_(std::unique_ptr<DartExceptionFactory>(
+          new DartExceptionFactory(this))),
+      library_loader_(std::unique_ptr<DartLibraryLoader>(
+          new DartLibraryLoader(this))),
+      string_cache_(std::unique_ptr<DartStringCache>(
+          new DartStringCache)),
+      timer_heap_(std::unique_ptr<DartTimerHeap>(
+          new DartTimerHeap())),
       weak_factory_(this) {
 }
 
 DartState::~DartState() {
 }
 
 void DartState::SetIsolate(Dart_Isolate isolate) {
   isolate_ = isolate;
   if (!isolate_)
     return;
@@ skipping 12 matching lines @@
 
 DartState* DartState::Current() {
   return static_cast<DartState*>(Dart_CurrentIsolateData());
 }
 
 base::WeakPtr<DartState> DartState::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace blink