diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/views/mac/SkSampleNSView.mm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/views/mac/SkSampleNSView.mm	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#import "SkSampleNSView.h"
+#include "SampleApp.h"
+#include <crt_externs.h>
+@implementation SkSampleNSView
+
+- (id)initWithDefaults {
+    if ((self = [super initWithDefaults])) {
+        fWind = new SampleWindow(self, *_NSGetArgc(), *_NSGetArgv(), NULL);
+    }
+    return self;
+}
+
+- (void)dealloc {
+    delete fWind;
+    [super dealloc];
+}
+
+- (void)swipeWithEvent:(NSEvent *)event {
+    CGFloat x = [event deltaX];
+    if (x < 0)
+        ((SampleWindow*)fWind)->previousSample();
+    else if (x > 0)
+        ((SampleWindow*)fWind)->nextSample();
+    else
+        ((SampleWindow*)fWind)->showOverview();
+}
+
+@end