Support for Swift language and Clang modules for ninja generator.

test/ios/swift/AppDelegate.m

+#import "AppDelegate.h"
+#import "swift_ios-Swift.h"
+#import "MyObjcClass.h"
+
+@interface AppDelegate ()
+
+@property(nonatomic, strong) MySwiftClass* swiftField;
+
+@end
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication*)application
+    didFinishLaunchingWithOptions:(NSDictionary*)launchOptions {
+  CGRect bounds = [[UIScreen mainScreen] nativeBounds];
+  self.window = [[UIWindow alloc] initWithFrame:bounds];
+  self.window.rootViewController = [[UIViewController alloc] init];
+  [self.window makeKeyAndVisible];
+
+  self.swiftField = [[MySwiftClass alloc] init];
+
+  return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication*)application {
+}
+
+- (void)applicationDidEnterBackground:(UIApplication*)application {
+}
+
+- (void)applicationWillEnterForeground:(UIApplication*)application {
+}
+
+- (void)applicationDidBecomeActive:(UIApplication*)application {
+}
+
+- (void)applicationWillTerminate:(UIApplication*)application {
+}
+
+@end