Respond to CR.

// FREEBIE

Signal/src/ViewControllers/MessageComposeTableViewController.m

@@ -84,6 +84,7 @@ NS_ASSUME_NONNULL_BEGIN
 
     _tableViewController = [OWSTableViewController new];
     _tableViewController.delegate = self;
+    _tableViewController.tableViewStyle = UITableViewStylePlain;
     [self.view addSubview:self.tableViewController.view];
     [_tableViewController.view autoPinWidthToSuperview];
     [_tableViewController.view autoPinEdgeToSuperviewEdge:ALEdgeTop];
@@ -258,11 +259,6 @@ NS_ASSUME_NONNULL_BEGIN
 
         if ([self.nonContactAccountSet containsObject:phoneNumber]) {
             [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
-                MessageComposeTableViewController *strongSelf = weakSelf;
-                if (!strongSelf) {
-                    return (ContactTableViewCell *)nil;
-                }
-
                 ContactTableViewCell *cell = [ContactTableViewCell new];
                 BOOL isBlocked = [helper isRecipientIdBlocked:phoneNumber];
                 if (isBlocked) {
@@ -302,11 +298,6 @@ NS_ASSUME_NONNULL_BEGIN
     NSArray<SignalAccount *> *filteredSignalAccounts = [self filteredSignalAccounts];
     for (SignalAccount *signalAccount in filteredSignalAccounts) {
         [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
-            MessageComposeTableViewController *strongSelf = weakSelf;
-            if (!strongSelf) {
-                return (ContactTableViewCell *)nil;
-            }
-
             ContactTableViewCell *cell = [ContactTableViewCell new];
             BOOL isBlocked = [helper isRecipientIdBlocked:signalAccount.recipientId];
             if (isBlocked) {

Signal/src/ViewControllers/OWSTableViewController.h

@@ -86,6 +86,8 @@ typedef UITableViewCell *_Nonnull (^OWSTableCustomCellBlock)();
 @property (nonatomic) OWSTableContents *contents;
 @property (nonatomic, readonly) UITableView *tableView;
 
+@property (nonatomic) UITableViewStyle tableViewStyle;
+
 #pragma mark - Presentation
 
 - (void)presentFromViewController:(UIViewController *)fromViewController;

Signal/src/ViewControllers/OWSTableViewController.m

@@ -178,9 +178,13 @@ NSString * const kOWSTableCellIdentifier = @"kOWSTableCellIdentifier";
 
 - (instancetype)init
 {
-    if (self = [super init]) {
-        _contents = [OWSTableContents new];
+    self = [super init];
+    if (!self) {
+        return self;
     }
+
+    [self commonInit];
+
     return self;
 }
 
@@ -191,7 +195,7 @@ NSString * const kOWSTableCellIdentifier = @"kOWSTableCellIdentifier";
         return self;
     }
 
-    _contents = [OWSTableContents new];
+    [self commonInit];
 
     return self;
 }
@@ -203,11 +207,17 @@ NSString * const kOWSTableCellIdentifier = @"kOWSTableCellIdentifier";
         return self;
     }
 
-    _contents = [OWSTableContents new];
+    [self commonInit];
 
     return self;
 }
 
+- (void)commonInit
+{
+    _contents = [OWSTableContents new];
+    self.tableViewStyle = UITableViewStyleGrouped;
+}
+
 - (void)loadView
 {
     [super loadView];
@@ -218,7 +228,7 @@ NSString * const kOWSTableCellIdentifier = @"kOWSTableCellIdentifier";
         self.title = self.contents.title;
     }
 
-    self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped];
+    self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:self.tableViewStyle];
     self.tableView.delegate = self;
     self.tableView.dataSource = self;
     self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];