Update Bucket Interface to use "in parallel" and resolve promise once (…

…#109)

* Use "in parallel" and resolve once queue task one on bucket interface

* Fix build

* Address comments

* Use consistent wording

* Consistent formatting for resolve/reject on bucket interface

* Cleanup spaces

* More nits

index.bs

@@ -308,17 +308,19 @@ The <dfn method for="StorageBucket">persist()</dfn> method steps are:
 
 1. Run the following steps [=in parallel=]:
 
-    1. If |bucket|'s [=storage bucket/removed=] flag is true, [=reject=] |p| with {{InvalidStateError}}.
+    1. If |bucket|'s [=storage bucket/removed=] flag is true, then [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
 
-    1. If |bucket|'s [=bucket mode=] is `"persistent"`, [=/resolve=] |p| with true.
+    1. Let |persisted| be true if |bucket|'s [=bucket mode=] is `"persistent"`.
 
     1. Otherwise,
 
         1. Let |permission| be the result of [=getting the current permission state=] with `"persistent-storage"` and |environment|.
 
-        1. If |permission| is "{{PermissionState/granted}}", then set |bucket|'s [=bucket mode=] to `"persistent"` and [=queue a storage task=] to [=/resolve=] |p| with true.
+        1. If |permission| is "{{PermissionState/granted}}", then set |bucket|'s [=bucket mode=] to `"persistent"` and set |persisted| to true.
 
-        1. Otherwise, [=/resolve=] |p| with false.
+        1. Otherwise, set |persisted| to false.
+
+    1. [=Queue a storage task=] to [=resolve=] |p| with |persisted|.
 
 1. Return |p|.
 
@@ -332,13 +334,13 @@ The <dfn method for="StorageBucket">persisted()</dfn> method steps are:
 
 1. Let |bucket| be [=this=]'s [=/storage bucket=].
 
-1. If |bucket|'s [=storage bucket/removed=] flag is true, then [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
+1. Otherwise, run these steps [=in parallel=]:
 
-1. Otherwise,
+    1. If |bucket|'s [=storage bucket/removed=] flag is true, then [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
 
-    1. If |bucket|'s [=bucket mode=] is `"persistent"`, then [=queue a storage task=] to [=/resolve=] |p| with true.
+    1. Let |persistent| be true if |bucket|'s [=bucket mode=] is `"persistent"`, otherwise false.
 
-    1. Otherwise, [=queue a storage task=] to [=/resolve=] |p| with false.
+    1. [=Queue a storage task=] to [=resolve=] |p| with |persistent|.
 
 1. Return |p|.
 
@@ -379,7 +381,7 @@ The <dfn method for="StorageBucket">estimate()</dfn> method steps are:
 
     1. Let |dictionary| be a new {{StorageEstimate}} dictionary whose {{StorageEstimate/usage}} member is |usage| and {{StorageEstimate/quota}} member is |quota|.
 
-    1. [=/Resolve=] |p| with |dictionary|.
+    1. [=Queue a storage task=] to [=resolve=] |p| with |dictionary|.
 
 1. Return |p|.
 
@@ -410,9 +412,13 @@ The <dfn method for="StorageBucket">setExpires(|expires|)</dfn> method steps are
 
 1. Let |bucket| be [=this=]'s [=/storage bucket=].
 
-1. If |bucket|'s [=storage bucket/removed=] flag is true, [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
+1. Otherwise, run these steps [=in parallel=]:
+
+    1. If |bucket|'s [=storage bucket/removed=] flag is true, then [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
+
+    1. Otherwise, set |bucket|'s [=StorageBucket/expiration time=] to |expires| milliseconds after the [=Unix epoch=].
 
-1. Otherwise, set |bucket|'s [=StorageBucket/expiration time=] to |expires| milliseconds after the [=Unix epoch=] and [=queue a storage task=] to [=/resolve=] |p|.
+    1. [=Queue a storage task=] to [=resolve=] |p|.
 
 1. Return |p|.
 
@@ -426,9 +432,13 @@ The <dfn method for="StorageBucket">expires()</dfn> method steps are:
 
 1. Let |bucket| be [=this=]'s [=/storage bucket=].
 
-1. If |bucket|'s [=storage bucket/removed=] flag is true, [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
+1. Otherwise, run these steps [=in parallel=]:
+
+    1. If |bucket|'s [=storage bucket/removed=] flag is true, then [=queue a storage task=] to [=reject=] |p| with an {{InvalidStateError}}.
+
+    1. Otherwise, let |expiration| be |bucket|'s [=StorageBucket/expiration time=].
 
-1. Otherwise, [=queue a storage task=] to [=/resolve=] |p| with |bucket|'s [=StorageBucket/expiration time=].
+    1. [=Queue a storage task=] to [=resolve=] |p| with |expiration|.
 
 1. Return |p|.