[Clang importer] Strip the "NS" prefix from entities in Foundation.

As part of the improved import of Objective-C APIs into Swift, strip
the "NS" prefix from entities defined in the Foundation
framework. Addresses rdar://problem/24050011, which is part of
SE-0005. Naturally, this is hidden behind -enable-omit-needless-words.

Platforms/OSX/AVKit.swift

@@ -26,8 +26,8 @@ class AVCaptureView : NSView {
   	@discussion	Options are AVLayerVideoGravityResize, AVLayerVideoGravityResizeAspect and AVLayerVideoGravityResizeAspectFill. AVLayerVideoGravityResizeAspect is default. See <AVFoundation/AVAnimation.h> for a description of these options.
    */
   var videoGravity: String
-  init(frame frameRect: NSRect)
-  init?(coder: NSCoder)
+  init(frame frameRect: Rect)
+  init?(coder: Coder)
   convenience init()
 }
 
@@ -55,7 +55,7 @@ enum AVCaptureViewControlsStyle : Int {
 	@protocol	AVCaptureViewDelegate
 	@abstract	Defines an interface for delegates of AVCaptureView.
  */
-protocol AVCaptureViewDelegate : NSObjectProtocol {
+protocol AVCaptureViewDelegate : ObjectProtocol {
 }
 
 /*!
@@ -92,16 +92,16 @@ class AVPlayerView : NSView {
   	@abstract	The current size and position of the video image as displayed within the receiver's view's bounds.
    */
   @available(OSX 10.10, *)
-  var videoBounds: NSRect { get }
+  var videoBounds: Rect { get }
 
   /*!
   	@property	contentOverlayView
   	@abstract	Use the content overlay view to add additional custom views between the video content and the controls.
    */
   @available(OSX 10.10, *)
   var contentOverlayView: NSView? { get }
-  init(frame frameRect: NSRect)
-  init?(coder: NSCoder)
+  init(frame frameRect: Rect)
+  init?(coder: Coder)
   convenience init()
 }
 

Platforms/OSX/Accelerate.swift

@@ -16464,7 +16464,7 @@ func la_norm_as_double(vector: la_object_t, _ vector_norm: la_norm_t) -> Double
  */
 @available(OSX 10.10, *)
 func la_normalized_vector(vector: la_object_t, _ vector_norm: la_norm_t) -> la_object_t!
-protocol OS_la_object : NSObjectProtocol {
+protocol OS_la_object : ObjectProtocol {
 }
 typealias la_object_t = OS_la_object
 

Platforms/OSX/Accounts.swift

@@ -1,6 +1,6 @@
 
 @available(OSX 10.8, *)
-class ACAccount : NSObject {
+class ACAccount : Object {
   init!(accountType type: ACAccountType!)
   var identifier: String! { get }
   var accountType: ACAccountType!
@@ -10,9 +10,9 @@ class ACAccount : NSObject {
   convenience init()
 }
 @available(OSX 10.8, *)
-class ACAccountCredential : NSObject {
+class ACAccountCredential : Object {
   init!(oAuthToken token: String!, tokenSecret secret: String!)
-  init!(oAuth2Token token: String!, refreshToken: String!, expiryDate: NSDate!)
+  init!(oAuth2Token token: String!, refreshToken: String!, expiryDate: Date!)
   var oauthToken: String!
   init()
 }
@@ -23,18 +23,18 @@ enum ACAccountCredentialRenewResult : Int {
   case Rejected
   case Failed
 }
-typealias ACAccountStoreSaveCompletionHandler = (Bool, NSError!) -> Void
-typealias ACAccountStoreRemoveCompletionHandler = (Bool, NSError!) -> Void
-typealias ACAccountStoreRequestAccessCompletionHandler = (Bool, NSError!) -> Void
-typealias ACAccountStoreCredentialRenewalHandler = (ACAccountCredentialRenewResult, NSError!) -> Void
+typealias ACAccountStoreSaveCompletionHandler = (Bool, Error!) -> Void
+typealias ACAccountStoreRemoveCompletionHandler = (Bool, Error!) -> Void
+typealias ACAccountStoreRequestAccessCompletionHandler = (Bool, Error!) -> Void
+typealias ACAccountStoreCredentialRenewalHandler = (ACAccountCredentialRenewResult, Error!) -> Void
 @available(OSX 10.8, *)
-class ACAccountStore : NSObject {
+class ACAccountStore : Object {
   var accounts: [AnyObject]! { get }
   func accountWithIdentifier(identifier: String!) -> ACAccount!
   func accountTypeWithAccountTypeIdentifier(typeIdentifier: String!) -> ACAccountType!
   func accountsWith(accountType: ACAccountType!) -> [AnyObject]!
   func saveAccount(account: ACAccount!, withCompletionHandler completionHandler: ACAccountStoreSaveCompletionHandler!)
-  func requestAccessToAccountsWith(accountType: ACAccountType!, options: [NSObject : AnyObject]! = [:], completion: ACAccountStoreRequestAccessCompletionHandler!)
+  func requestAccessToAccountsWith(accountType: ACAccountType!, options: [Object : AnyObject]! = [:], completion: ACAccountStoreRequestAccessCompletionHandler!)
   func renewCredentialsFor(account: ACAccount!, completion completionHandler: ACAccountStoreCredentialRenewalHandler!)
   func removeAccount(account: ACAccount!, withCompletionHandler completionHandler: ACAccountStoreRemoveCompletionHandler!)
   init()
@@ -70,7 +70,7 @@ let ACLinkedInPermissionsKey: String
 @available(OSX 10.9, *)
 let ACTencentWeiboAppIdKey: String
 @available(OSX 10.8, *)
-class ACAccountType : NSObject {
+class ACAccountType : Object {
   var accountTypeDescription: String! { get }
   var identifier: String! { get }
   var accessGranted: Bool { get }

Platforms/OSX/AddressBook.swift

@@ -161,7 +161,7 @@ var ABPropertyReadOnlyError: Int { get }
 let ABAddressBookErrorDomain: String
 @available(OSX 10.7, *)
 let ABMultiValueIdentifiersErrorKey: String
-class ABAddressBook : NSObject {
+class ABAddressBook : Object {
   class func shared() -> ABAddressBook!
   func recordsMatching(search: ABSearchElement!) -> [AnyObject]!
   func save() -> Bool
@@ -182,7 +182,7 @@ class ABAddressBook : NSObject {
   @available(OSX 10.3, *)
   func recordClassFromUniqueId(uniqueId: String!) -> String!
   @available(OSX 10.3, *)
-  func formattedAddressFrom(address: [NSObject : AnyObject]!) -> NSAttributedString!
+  func formattedAddressFrom(address: [Object : AnyObject]!) -> AttributedString!
   @available(OSX 10.3, *)
   func defaultCountryCode() -> String!
   @available(OSX 10.3, *)
@@ -379,24 +379,24 @@ class ABGroup : ABRecord {
   init!(addressBook: ABAddressBook!)
 }
 extension ABGroup {
-  class func addPropertiesAndTypes(properties: [NSObject : AnyObject]!) -> Int
+  class func addPropertiesAndTypes(properties: [Object : AnyObject]!) -> Int
   class func removeProperties(properties: [AnyObject]!) -> Int
   class func properties() -> [AnyObject]!
   class func typeOfProperty(property: String!) -> ABPropertyType
 }
 extension ABGroup {
   class func searchElementForProperty(property: String!, label: String!, key: String!, value: AnyObject!, comparison: ABSearchComparison) -> ABSearchElement!
 }
-protocol ABImageClient : NSObjectProtocol {
-  func consumeImageData(data: NSData!, forTag tag: Int)
+protocol ABImageClient : ObjectProtocol {
+  func consumeImageData(data: Data!, forTag tag: Int)
 }
 extension ABPerson {
-  func setImageData(data: NSData!) -> Bool
-  func imageData() -> NSData!
+  func setImageData(data: Data!) -> Bool
+  func imageData() -> Data!
   func beginLoadingImageDataFor(client: ABImageClient!) -> Int
   class func cancelLoadingImageDataForTag(tag: Int)
 }
-class ABMultiValue : NSObject, NSCopying, NSMutableCopying, NSFastEnumeration {
+class ABMultiValue : Object, Copying, MutableCopying, FastEnumeration {
   func count() -> Int
   func valueAt(index: Int) -> AnyObject!
   func labelAt(index: Int) -> String!
@@ -407,9 +407,9 @@ class ABMultiValue : NSObject, NSCopying, NSMutableCopying, NSFastEnumeration {
   func valueForIdentifier(identifier: String!) -> AnyObject!
   func labelForIdentifier(identifier: String!) -> AnyObject!
   init()
-  func copy(zone zone: NSZone = nil) -> AnyObject
-  func mutableCopy(zone zone: NSZone = nil) -> AnyObject
-  func countByEnumeratingWith(state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int
+  func copy(zone zone: Zone = nil) -> AnyObject
+  func mutableCopy(zone zone: Zone = nil) -> AnyObject
+  func countByEnumeratingWith(state: UnsafeMutablePointer<FastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int
 }
 class ABMutableMultiValue : ABMultiValue {
   func add(value: AnyObject!, withLabel label: String!) -> String!
@@ -429,7 +429,7 @@ class ABPerson : ABRecord {
   init!(addressBook: ABAddressBook!)
 }
 extension ABPerson {
-  class func addPropertiesAndTypes(properties: [NSObject : AnyObject]!) -> Int
+  class func addPropertiesAndTypes(properties: [Object : AnyObject]!) -> Int
   class func removeProperties(properties: [AnyObject]!) -> Int
   class func properties() -> [AnyObject]!
   class func typeOfProperty(property: String!) -> ABPropertyType
@@ -438,10 +438,10 @@ extension ABPerson {
   class func searchElementForProperty(property: String!, label: String!, key: String!, value: AnyObject!, comparison: ABSearchComparison) -> ABSearchElement!
 }
 extension ABPerson {
-  init!(vCardRepresentation vCardData: NSData!)
-  func vCardRepresentation() -> NSData!
+  init!(vCardRepresentation vCardData: Data!)
+  func vCardRepresentation() -> Data!
 }
-class ABRecord : NSObject {
+class ABRecord : Object {
   init!()
   @available(OSX 10.5, *)
   init!(addressBook: ABAddressBook!)
@@ -458,7 +458,7 @@ extension ABRecord {
   @available(OSX 10.10, *)
   var displayName: String! { get }
 }
-class ABSearchElement : NSObject {
+class ABSearchElement : Object {
   /*not inherited*/ init!(forConjunction conjuction: ABSearchConjunction, children: [AnyObject]!)
   func matchesRecord(record: ABRecord!) -> Bool
   init()