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Side by Side Diff: base/supports_user_data.cc

Issue 12494020: Remove knowledge of Chrome-specific SyncableService classes from WebDataService. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 #include "base/supports_user_data.h" 5 #include "base/supports_user_data.h"
6 6
7 namespace base { 7 namespace base {
8 8
9 SupportsUserData::SupportsUserData() { 9 SupportsUserData::SupportsUserData() {
10 // Harmless to construct on a different thread to subsequent usage. 10 // Harmless to construct on a different thread to subsequent usage.
11 thread_checker_.DetachFromThread(); 11 thread_checker_.DetachFromThread();
12 } 12 }
13 13
14 SupportsUserData::~SupportsUserData() {
15 DCHECK(thread_checker_.CalledOnValidThread() || user_data_.empty());
16 }
17
14 SupportsUserData::Data* SupportsUserData::GetUserData(const void* key) const { 18 SupportsUserData::Data* SupportsUserData::GetUserData(const void* key) const {
15 DCHECK(thread_checker_.CalledOnValidThread()); 19 DCHECK(thread_checker_.CalledOnValidThread());
16 DataMap::const_iterator found = user_data_.find(key); 20 DataMap::const_iterator found = user_data_.find(key);
17 if (found != user_data_.end()) 21 if (found != user_data_.end())
18 return found->second.get(); 22 return found->second.get();
19 return NULL; 23 return NULL;
20 } 24 }
21 25
22 void SupportsUserData::SetUserData(const void* key, Data* data) { 26 void SupportsUserData::SetUserData(const void* key, Data* data) {
23 DCHECK(thread_checker_.CalledOnValidThread()); 27 DCHECK(thread_checker_.CalledOnValidThread());
24 user_data_[key] = linked_ptr<Data>(data); 28 user_data_[key] = linked_ptr<Data>(data);
25 } 29 }
26 30
27 void SupportsUserData::RemoveUserData(const void* key) { 31 void SupportsUserData::RemoveUserData(const void* key) {
28 DCHECK(thread_checker_.CalledOnValidThread()); 32 DCHECK(thread_checker_.CalledOnValidThread());
29 user_data_.erase(key); 33 user_data_.erase(key);
30 } 34 }
31 35
32 void SupportsUserData::DetachUserDataThread() { 36 void SupportsUserData::DetachUserDataThread() {
33 thread_checker_.DetachFromThread(); 37 thread_checker_.DetachFromThread();
34 } 38 }
35 39
36 SupportsUserData::~SupportsUserData() {
37 DCHECK(thread_checker_.CalledOnValidThread() || user_data_.empty());
38 }
39
40 } // namespace base 40 } // namespace base
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