base: Change WeakPtr to use SequenceChecker instead of ThreadChecker.

base/sequence_checker.h

Index: base/sequence_checker.h
diff --git a/base/sequence_checker.h b/base/sequence_checker.h
index fbf146ac502d3efd7dd26667cae291cbe501344f..c98875b8f813b37ffb5b2d02000a97c8a93d1667 100644
--- a/base/sequence_checker.h
+++ b/base/sequence_checker.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 The Chromium Authors. All rights reserved.

[vandebo (ex-Chrome), 2013/06/28 21:00:06]

nit: current policy is to not update copyright notices.

[tommycli, 2013/06/28 22:37:07]

Done.

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -31,9 +31,6 @@ class SequenceCheckerDoNothing {
   bool CalledOnValidSequence() const {
     return true;
   }
-
-  void ChangeSequence(
-      const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner) {}
 };
 

[vandebo (ex-Chrome), 2013/06/28 21:00:06]

DetachFromSequence() missing?

[tommycli, 2013/06/28 22:37:07]

Done.

 // SequenceChecker is a helper class used to help verify that some
@@ -44,10 +41,6 @@ class SequenceCheckerDoNothing {
 // Example:
 // class MyClass {
 //  public:
-//   explicit MyClass(
-//       const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner)
-//       : sequence_checker_(sequenced_task_runner) {}
-//
 //   void Foo() {
 //     DCHECK(sequence_checker_.CalledOnValidSequence());
 //     ... (do stuff) ...
@@ -60,16 +53,9 @@ class SequenceCheckerDoNothing {
 // In Release mode, CalledOnValidSequence will always return true.
 #if ENABLE_SEQUENCE_CHECKER
 class SequenceChecker : public SequenceCheckerImpl {
- public:
-  explicit SequenceChecker(
-      const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner)
-      : SequenceCheckerImpl(sequenced_task_runner) {}
 };
 #else
 class SequenceChecker : public SequenceCheckerDoNothing {
- public:
-  explicit SequenceChecker(
-      const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner) {}
 };
 #endif  // ENABLE_SEQUENCE_CHECKER