Really now... derive DomStorageTaskRunner from base::SequencedTaskRunner.

BUG=106763
Review URL: https://chromiumcodereview.appspot.com/9706004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126698 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 28 insertions, 2 deletions

diff --git a/webkit/dom_storage/dom_storage_task_runner.cc b/webkit/dom_storage/dom_storage_task_runner.cc
index 050cf16..4c051db 100644
--- a/webkit/dom_storage/dom_storage_task_runner.cc
+++ b/webkit/dom_storage/dom_storage_task_runner.cc
@@ -40,6 +40,21 @@ bool DomStorageTaskRunner::RunsTasksOnCurrentThread() const {
   return true;
 }
 
+bool DomStorageTaskRunner::PostNonNestableDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  return PostDelayedTask(from_here, task, delay);
+}
+
+bool DomStorageTaskRunner::PostNonNestableDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    int64 delay_ms) {
+  return PostDelayedTask(
+      from_here, task, base::TimeDelta::FromMilliseconds(delay_ms));
+}
+
 // DomStorageWorkerPoolTaskRunner
 
 DomStorageWorkerPoolTaskRunner::DomStorageWorkerPoolTaskRunner(
diff --git a/webkit/dom_storage/dom_storage_task_runner.h b/webkit/dom_storage/dom_storage_task_runner.h
index 9fde32f..2ec2169 100644
--- a/webkit/dom_storage/dom_storage_task_runner.h
+++ b/webkit/dom_storage/dom_storage_task_runner.h
@@ -7,7 +7,7 @@
 #pragma once
 
 #include "base/memory/ref_counted.h"
-#include "base/task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time.h"
 
@@ -20,7 +20,7 @@ namespace dom_storage {
 // Tasks must run serially with respect to one another, but may
 // execute on different OS threads. The base class is implemented
 // in terms of a MessageLoopProxy.
-class DomStorageTaskRunner : public base::TaskRunner {
+class DomStorageTaskRunner : public base::SequencedTaskRunner {
  public:
   explicit DomStorageTaskRunner(base::MessageLoopProxy* message_loop);
   virtual ~DomStorageTaskRunner();
@@ -45,6 +45,17 @@ class DomStorageTaskRunner : public base::TaskRunner {
   // value is hard coded to true.
   virtual bool RunsTasksOnCurrentThread() const OVERRIDE;
 
+  // SequencedTaskRunner overrides, these are implemented in
+  // terms of PostDelayedTask and the latter is similarly deprecated.
+  virtual bool PostNonNestableDelayedTask(
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      base::TimeDelta delay) OVERRIDE;
+  virtual bool PostNonNestableDelayedTask(
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      int64 delay_ms) OVERRIDE;
+
  protected:
   const scoped_refptr<base::MessageLoopProxy> message_loop_;
 };