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Side by Side Diff: base/memory/ref_counted_memory.h

Issue 6714032: Move some files in base to base/memory. (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: only base Created 9 years, 9 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_REF_COUNTED_MEMORY_H_ 5 #ifndef BASE_MEMORY_REF_COUNTED_MEMORY_H_
6 #define BASE_REF_COUNTED_MEMORY_H_ 6 #define BASE_MEMORY_REF_COUNTED_MEMORY_H_
7 #pragma once 7 #pragma once
8 8
9 #include <vector> 9 #include <vector>
10 10
11 #include "base/ref_counted.h" 11 #include "base/memory/ref_counted.h"
12 12
13 // TODO(erg): The contents of this file should be in a namespace. This would 13 // TODO(erg): The contents of this file should be in a namespace. This would
14 // require touching >100 files in chrome/ though. 14 // require touching >100 files in chrome/ though.
15 15
16 // A generic interface to memory. This object is reference counted because one 16 // A generic interface to memory. This object is reference counted because one
17 // of its two subclasses own the data they carry, and we need to have 17 // of its two subclasses own the data they carry, and we need to have
18 // heterogeneous containers of these two types of memory. 18 // heterogeneous containers of these two types of memory.
19 class RefCountedMemory : public base::RefCountedThreadSafe<RefCountedMemory> { 19 class RefCountedMemory
20 : public base::RefCountedThreadSafe<RefCountedMemory> {
20 public: 21 public:
21 // Retrieves a pointer to the beginning of the data we point to. If the data 22 // Retrieves a pointer to the beginning of the data we point to. If the data
22 // is empty, this will return NULL. 23 // is empty, this will return NULL.
23 virtual const unsigned char* front() const = 0; 24 virtual const unsigned char* front() const = 0;
24 25
25 // Size of the memory pointed to. 26 // Size of the memory pointed to.
26 virtual size_t size() const = 0; 27 virtual size_t size() const = 0;
27 28
28 protected: 29 protected:
29 friend class base::RefCountedThreadSafe<RefCountedMemory>; 30 friend class base::RefCountedThreadSafe<RefCountedMemory>;
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
72 std::vector<unsigned char> data; 73 std::vector<unsigned char> data;
73 74
74 protected: 75 protected:
75 friend class base::RefCountedThreadSafe<RefCountedBytes>; 76 friend class base::RefCountedThreadSafe<RefCountedBytes>;
76 virtual ~RefCountedBytes(); 77 virtual ~RefCountedBytes();
77 78
78 private: 79 private:
79 DISALLOW_COPY_AND_ASSIGN(RefCountedBytes); 80 DISALLOW_COPY_AND_ASSIGN(RefCountedBytes);
80 }; 81 };
81 82
82 #endif // BASE_REF_COUNTED_MEMORY_H_ 83 #endif // BASE_MEMORY_REF_COUNTED_MEMORY_H_
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