Merge pull request #1021 from firebase/mc/import

Update imports for Firebase 9

Author: morganchen12

UITests/FirebaseUISample/FUIAppDelegate.m

@@ -17,7 +17,7 @@
 #import "FUIAppDelegate.h"
 
 #import <FirebaseAuthUI/FirebaseAuthUI.h>
-@import Firebase;
+@import FirebaseCore;
 
 @implementation FUIAppDelegate
 

samples/objc/FirebaseUI-demo-objc/Samples/Auth/FUIAuthViewController.m

@@ -16,7 +16,7 @@
 //  limitations under the License.
 //
 
-@import Firebase;
+@import FirebaseAuth;
 @import FirebaseOAuthUI;
 @import FirebaseEmailAuthUI;
 @import FirebaseAnonymousAuthUI;

samples/swift/FirebaseUI-demo-swift/FUIAppDelegate.swift

@@ -16,7 +16,8 @@
 
 import UIKit
 import FBSDKCoreKit
-import Firebase
+import FirebaseCore
+import FirebaseAuth
 import FirebaseAuthUI
 import GTMSessionFetcher
 

samples/swift/FirebaseUI-demo-swift/Samples/Auth/FUIAuthViewController.swift

@@ -15,7 +15,7 @@
 //
 
 import UIKit
-import Firebase
+import FirebaseAuth
 import FirebaseEmailAuthUI
 import FirebaseFacebookAuthUI
 import FirebaseAnonymousAuthUI

samples/swift/FirebaseUI-demo-swift/Samples/Chat/ChatCollectionViewCell.swift

@@ -15,7 +15,6 @@
 //
 
 import UIKit
-import Firebase
 
 /// Displays an individual chat message inside of a ChatViewController.
 class ChatCollectionViewCell: UICollectionViewCell {
@@ -78,7 +77,7 @@ class ChatCollectionViewCell: UICollectionViewCell {
     let leftRightPadding: CGFloat = 24
     let rect = ChatCollectionViewCell.boundingRectForText(self.textLabel.text!,
                                                           maxWidth: maxWidth)
-    
+
     let constant = max(maxWidth - rect.size.width - leftRightPadding, CGFloat.leastNormalMagnitude)
     if chat.uid == user?.uid ?? "" {
       let colors = ChatCollectionViewCell.selfColors

samples/swift/FirebaseUI-demo-swift/Samples/Chat/ChatViewController.swift

@@ -15,7 +15,7 @@
 //
 
 import UIKit
-import Firebase
+import FirebaseAuth
 import FirebaseDatabaseUI
 
 /// View controller demonstrating using a FUICollectionViewDataSource