Add BrowserThread::PostBlockingTaskAndReply.

content/browser/browser_thread_impl.cc

Index: content/browser/browser_thread_impl.cc
diff --git a/content/browser/browser_thread_impl.cc b/content/browser/browser_thread_impl.cc
index 21b84965796bd6868e62b18751f727ed829769b0..15ee09a97f3379bb41a04ca2d35e56683c42e8ce 100644
--- a/content/browser/browser_thread_impl.cc
+++ b/content/browser/browser_thread_impl.cc
@@ -226,6 +226,14 @@ bool BrowserThread::PostBlockingPoolTask(
   return g_globals.Get().blocking_pool->PostWorkerTask(from_here, task);
 }
 
+bool BrowserThread::PostBlockingPoolTaskAndReply(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    const base::Closure& reply) {
+  return g_globals.Get().blocking_pool->PostTaskAndReply(
+      from_here, task, reply);
+}
+
 // static
 bool BrowserThread::PostBlockingPoolSequencedTask(
     const std::string& sequence_token_name,