Merge pull request #7944 from electron/autorelease-effect-view

Autorelease NSVisualEffectView

atom/browser/native_window_mac.mm

@@ -1227,13 +1227,11 @@ void NativeWindowMac::SetVibrancy(const std::string& type) {
 
   NSVisualEffectView* effect_view = (NSVisualEffectView*)vibrant_view;
   if (effect_view == nil) {
-    effect_view = [[NSVisualEffectView alloc] initWithFrame:
-      [[window_ contentView] bounds]];
+    effect_view = [[[NSVisualEffectView alloc]
+        initWithFrame: [[window_ contentView] bounds]] autorelease];
     [window_ setVibrantView:(NSView*)effect_view];
 
-    [effect_view setAutoresizingMask:
-      NSViewWidthSizable | NSViewHeightSizable];
-
+    [effect_view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
     [effect_view setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
     [effect_view setState:NSVisualEffectStateActive];
     [[window_ contentView] addSubview:effect_view