Fuchsia: Adapt struct literal to recent changes to async_ops_t.

Use named fields in compound literal for readability and protection
against struct layout churn.

Roll SDK to 3a1662dfbcb.

Bug: 707030
Change-Id: I1da12494cad5cd781ed02a519d68ebf1bea016f8
Reviewed-on: https://chromium-review.googlesource.com/1017301
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552143}

base/fuchsia/async_dispatcher.cc

@@ -63,7 +63,7 @@ class AsyncDispatcher::TaskState : public LinkNode<TaskState> {
   DISALLOW_COPY_AND_ASSIGN(TaskState);
 };
 
-AsyncDispatcher::AsyncDispatcher() {
+AsyncDispatcher::AsyncDispatcher() : ops_storage_({}) {
   zx_status_t status = zx_port_create(0u, port_.receive());
   ZX_DCHECK(status == ZX_OK, status);
 
@@ -81,11 +81,14 @@ AsyncDispatcher::AsyncDispatcher() {
                                 ZX_WAIT_ASYNC_REPEATING);
   ZX_DCHECK(status == ZX_OK, status);
 
-  static const async_ops_t async_ops_t_impl = {
-      NowOp,        BeginWaitOp,   CancelWaitOp,       PostTaskOp,
-      CancelTaskOp, QueuePacketOp, SetGuestBellTrapOp,
-  };
-  ops = &async_ops_t_impl;
+  ops_storage_.v1.now = NowOp;
+  ops_storage_.v1.begin_wait = BeginWaitOp;
+  ops_storage_.v1.cancel_wait = CancelWaitOp;
+  ops_storage_.v1.post_task = PostTaskOp;
+  ops_storage_.v1.cancel_task = CancelTaskOp;
+  ops_storage_.v1.queue_packet = QueuePacketOp;
+  ops_storage_.v1.set_guest_bell_trap = SetGuestBellTrapOp;
+  ops = &ops_storage_;
 
   DCHECK(!async_get_default());
   async_set_default(this);

base/fuchsia/async_dispatcher.h

@@ -71,6 +71,8 @@ class BASE_EXPORT AsyncDispatcher : public async_t {
 
   LinkedList<WaitState> wait_list_;
 
+  async_ops_t ops_storage_;
+
   // |lock_| must be held when accessing |task_list_|.
   base::Lock lock_;
 

build/fuchsia/sdk.sha1

-4e72358ab2c48db8c421a672dc6abee3e7f59bcf
+3a1662dfbcb3ad44bbc10a70c7424da462c4ba0d
\ No newline at end of file