compositor-worker: Introduce WebCompositorMutableState

third_party/WebKit/public/platform/WebPassOwnPtr.h

 // 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.
 
 #ifndef WebPassOwnPtr_h
 #define WebPassOwnPtr_h
 
 #include "public/platform/WebCommon.h"
 #include <cstddef>
 
@@ skipping 32 matching lines @@
     }
     WebPassOwnPtr& operator =(const WebPassOwnPtr&) = delete;
 
 #if INSIDE_BLINK
     PassOwnPtr<T> release()
     {
         T* ptr = m_ptr;
         m_ptr = nullptr;
         return adoptPtr(ptr);
     }
+#else
+    T* release()

[esprehn, 2016/01/06 19:48:37]

leakPtr()

[Ian Vollick, 2016/01/08 03:01:53]

This has been replaced with the scoped_ptr conversion.

+    {
+        T* ptr = m_ptr;
+        m_ptr = nullptr;
+        return ptr;
+    }
 #endif // INSIDE_BLINK
 
     template <typename U> friend class WebPassOwnPtr;
     template <typename U> friend WebPassOwnPtr<U> adoptWebPtr(U*);
 
 private:
     explicit WebPassOwnPtr(T* ptr) : m_ptr(ptr) {}
 
     // See the constructor comment to see why |mutable| is needed.
     mutable T* m_ptr;
 };
 
 template <typename T>
 WebPassOwnPtr<T> adoptWebPtr(T* p) { return WebPassOwnPtr<T>(p); }
 
 } // namespace blink
 
 #endif