3D Compositing in <browser>, first draft.

base/memory/ref_counted.h

 // Copyright (c) 2012 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 BASE_MEMORY_REF_COUNTED_H_
 #define BASE_MEMORY_REF_COUNTED_H_
 #pragma once
 
 #include <cassert>
+#include <cstdio>
+#include <unistd.h>

[scshunt, 2012/07/06 16:39:03]

Note to self: remove.

 
 #include "base/atomic_ref_count.h"
 #include "base/base_export.h"
+#include "base/logging.h"
 #include "base/threading/thread_collision_warner.h"
 
 namespace base {
 
 namespace subtle {
 
 class BASE_EXPORT RefCountedBase {
  public:
   static bool ImplementsThreadSafeReferenceCounting() { return false; }
 
@@ skipping 226 matching lines @@
   }
 
   ~scoped_refptr() {
     if (ptr_)
       ptr_->Release();
   }
 
   T* get() const { return ptr_; }
   operator T*() const { return ptr_; }
   T* operator->() const {
+    DCHECK(ptr_ != NULL); 

[Fady Samuel, 2012/07/06 15:14:44]

Looks unnecessary. Revert please.

[scshunt, 2012/07/06 16:39:03]

It was for debugging; assert() wasn't causing a stack trace.

     assert(ptr_ != NULL);
     return ptr_;
   }
 
   // Release a pointer.
   // The return value is the current pointer held by this object.
   // If this object holds a NULL pointer, the return value is NULL.
   // After this operation, this object will hold a NULL pointer,
   // and will not own the object any more.
   T* release() {
@@ skipping 37 matching lines @@
 };
 
 // Handy utility for creating a scoped_refptr<T> out of a T* explicitly without
 // having to retype all the template arguments
 template <typename T>
 scoped_refptr<T> make_scoped_refptr(T* t) {
   return scoped_refptr<T>(t);
 }
 
 #endif  // BASE_MEMORY_REF_COUNTED_H_