Deleted np_utils library.

gpu/np_utils/np_object_pointer.h

-// Copyright (c) 2006-2008 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.
-
-#ifndef GPU_NP_UTILS_NP_OBJECT_POINTER_H_
-#define GPU_NP_UTILS_NP_OBJECT_POINTER_H_
-
-#include "base/logging.h"
-#include "gpu/np_utils/np_browser.h"
-#include "gpu/np_utils/np_headers.h"
-
-namespace np_utils {
-
-// Smart pointer for NPObjects that automatically handles reference counting.
-template <typename NPObjectType>
-class NPObjectPointer {
- public:
-  NPObjectPointer() : object_(NULL) {}
-
-  NPObjectPointer(const NPObjectPointer& rhs) : object_(rhs.object_) {
-    Retain();
-  }
-
-  explicit NPObjectPointer(NPObjectType* p) : object_(p) {
-    Retain();
-  }
-
-  template <typename RHS>
-  NPObjectPointer(const NPObjectPointer<RHS>& rhs) : object_(rhs.Get()) {
-    Retain();
-  }
-
-  ~NPObjectPointer() {
-    Release();
-  }
-
-  NPObjectPointer& operator=(const NPObjectPointer& rhs) {
-    if (object_ == rhs.Get())
-      return *this;
-
-    Release();
-    object_ = rhs.object_;
-    Retain();
-    return *this;
-  }
-
-  template <typename RHS>
-  NPObjectPointer& operator=(const NPObjectPointer<RHS>& rhs) {
-    if (object_ == rhs.Get())
-      return *this;
-
-    Release();
-    object_ = rhs.Get();
-    Retain();
-    return *this;
-  }
-
-  template <class RHS>
-  bool operator==(const NPObjectPointer<RHS>& rhs) const {
-    return object_ == rhs.Get();
-  }
-
-  template <class RHS>
-  bool operator!=(const NPObjectPointer<RHS>& rhs) const {
-    return object_ != rhs.Get();
-  }
-
-  // The NPObject convention for returning an NPObject pointer from a function
-  // is that the caller is responsible for releasing the reference count.
-  static NPObjectPointer FromReturned(NPObjectType* p) {
-    NPObjectPointer pointer(p);
-    pointer.Release();
-    return pointer;
-  }
-
-  // The NPObject convention for returning an NPObject pointer from a function
-  // is that the caller is responsible for releasing the reference count.
-  NPObjectType* ToReturned() const {
-    Retain();
-    return object_;
-  }
-
-  NPObjectType* Get() const {
-    return object_;
-  }
-
-  NPObjectType* operator->() const {
-    return object_;
-  }
-
-  NPObjectType& operator*() const {
-    return *object_;
-  }
-
- private:
-  void Retain() const {
-    if (object_) {
-      NPBrowser::get()->RetainObject(object_);
-    }
-  }
-
-  void Release() const {
-    if (object_) {
-      NPBrowser::get()->ReleaseObject(object_);
-    }
-  }
-
-  NPObjectType* object_;
-};
-
-// For test diagnostics.
-template <typename NPObjectType>
-std::ostream& operator<<(std::ostream& stream,
-                         const NPObjectPointer<NPObjectType>& pointer) {
-  return stream << pointer.Get();
-}
-}  // namespace np_utils
-
-#endif  // GPU_NP_UTILS_NP_OBJECT_POINTER_H_