Basic Sky shell for iOS targets

sky/shell/ios/sky_view_controller.mm

Index: sky/shell/ios/sky_view_controller.mm
diff --git a/sky/shell/ios/sky_view_controller.mm b/sky/shell/ios/sky_view_controller.mm
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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "sky_view_controller.h"
+#import "sky_surface.h"
+
+#import <UIKit/UIKit.h>
+#import <QuartzCore/QuartzCore.h>
+
+@implementation SkyViewController
+
+- (void)loadView {
+  SkySurface* surface = [[SkySurface alloc] init];
+
+  surface.autoresizingMask =
+      UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+
+  self.view = surface;
+
+  [surface release];
+}
+
+@end