Replace the `SnapshotOptions` object with the behavior enum. (#1109)

Instead of calling

  `get(field, SnapshotOptions.serverTimestampBehavior(.estimate))`

call

  `get(field, serverTimestampBehavior: .estimate)`

2 files changed, 1 insertions, 28 deletions

diff --git a/Firestore/Source/Model/FSTFieldValue.h b/Firestore/Source/Model/FSTFieldValue.h
index 6914f4d..6f9798a 100644
--- a/Firestore/Source/Model/FSTFieldValue.h
+++ b/Firestore/Source/Model/FSTFieldValue.h
@@ -25,7 +25,6 @@
 @class FIRTimestamp;
 @class FSTFieldValueOptions;
 @class FIRGeoPoint;
-@class FIRSnapshotOptions;
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -67,10 +66,6 @@ typedef NS_ENUM(NSInteger, FSTServerTimestampBehavior) {
                    timestampsInSnapshotsEnabled:(BOOL)timestampsInSnapshotsEnabled
     NS_DESIGNATED_INITIALIZER;
 
-/** Creates an FSTFieldValueOptions instance from FIRSnapshotOptions. */
-+ (instancetype)optionsForSnapshotOptions:(FIRSnapshotOptions *)value
-             timestampsInSnapshotsEnabled:(BOOL)timestampsInSnapshotsEnabled;
-
 @end
 
 /**
diff --git a/Firestore/Source/Model/FSTFieldValue.mm b/Firestore/Source/Model/FSTFieldValue.mm
index 0d7c649..9e77d39 100644
--- a/Firestore/Source/Model/FSTFieldValue.mm
+++ b/Firestore/Source/Model/FSTFieldValue.mm
@@ -16,10 +16,10 @@
 
 #import "Firestore/Source/Model/FSTFieldValue.h"
 
+#import "FIRDocumentSnapshot.h"
 #import "FIRTimestamp.h"
 
 #import "Firestore/Source/API/FIRGeoPoint+Internal.h"
-#import "Firestore/Source/API/FIRSnapshotOptions+Internal.h"
 #import "Firestore/Source/Model/FSTDocumentKey.h"
 #import "Firestore/Source/Util/FSTAssert.h"
 #import "Firestore/Source/Util/FSTClasses.h"
@@ -46,28 +46,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation FSTFieldValueOptions
 
-+ (instancetype)optionsForSnapshotOptions:(FIRSnapshotOptions *)options
-             timestampsInSnapshotsEnabled:(BOOL)timestampsInSnapshotsEnabled {
-  FSTServerTimestampBehavior convertedServerTimestampBehavior = FSTServerTimestampBehaviorNone;
-  switch (options.serverTimestampBehavior) {
-    case FIRServerTimestampBehaviorNone:
-      convertedServerTimestampBehavior = FSTServerTimestampBehaviorNone;
-      break;
-    case FIRServerTimestampBehaviorEstimate:
-      convertedServerTimestampBehavior = FSTServerTimestampBehaviorEstimate;
-      break;
-    case FIRServerTimestampBehaviorPrevious:
-      convertedServerTimestampBehavior = FSTServerTimestampBehaviorPrevious;
-      break;
-    default:
-      FSTFail(@"Unexpected server timestamp option: %ld", (long)options.serverTimestampBehavior);
-  }
-
-  return
-      [[FSTFieldValueOptions alloc] initWithServerTimestampBehavior:convertedServerTimestampBehavior
-                                       timestampsInSnapshotsEnabled:timestampsInSnapshotsEnabled];
-}
-
 - (instancetype)initWithServerTimestampBehavior:(FSTServerTimestampBehavior)serverTimestampBehavior
                    timestampsInSnapshotsEnabled:(BOOL)timestampsInSnapshotsEnabled {
   self = [super init];