Unreviewed, fix the internal build after updating to a newer SDK

There shouldn't be any need to include and implement these method stubs anymore,
even when building against the shipping iOS 11 SDK.

* TestWebKitAPI/ios/DataInteractionSimulator.mm:
(-[MockDropSession session]): Deleted.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@224517 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Author: [email protected]

Tools/ChangeLog

@@ -1,3 +1,13 @@
+2017-11-06  Wenson Hsieh  <[email protected]>
+
+        Unreviewed, fix the internal build after updating to a newer SDK
+
+        There shouldn't be any need to include and implement these method stubs anymore,
+        even when building against the shipping iOS 11 SDK.
+
+        * TestWebKitAPI/ios/DataInteractionSimulator.mm:
+        (-[MockDropSession session]): Deleted.
+
 2017-11-06  Wenson Hsieh  <[email protected]>
 
         [Attachment Support] Implement delegate hooks for attachment element insertion and removal

Tools/TestWebKitAPI/ios/DataInteractionSimulator.mm

@@ -35,20 +35,6 @@
 #import <UIKit/UIDragInteraction.h>
 #import <UIKit/UIDragItem.h>
 #import <UIKit/UIInteraction.h>
-
-#if USE(APPLE_INTERNAL_SDK)
-#import <UIKit/UIDragSession.h>
-#import <UIKit/UIDragging.h>
-#else
-
-@protocol UIDraggingInfo <NSObject>
-@end
-
-@interface UIDraggingSession : NSObject <UIDraggingInfo>
-@end
-
-#endif
-
 #import <WebKit/WKWebViewPrivate.h>
 #import <WebKit/_WKFocusedElementInfo.h>
 #import <WebKit/_WKFormInputSession.h>
@@ -200,11 +186,6 @@ - (instancetype)initWithProviders:(NSArray<UIItemProvider *> *)providers locatio
     return [super initWithItems:items.get() location:locationInWindow window:window allowMove:allowMove];
 }
 
-- (UIDraggingSession *)session
-{
-    return nil;
-}
-
 - (BOOL)isLocal
 {
     return YES;