Zero-sized windows are bad. Don't.

chrome/browser/ui/cocoa/status_bubble_mac.mm

Index: chrome/browser/ui/cocoa/status_bubble_mac.mm
diff --git a/chrome/browser/ui/cocoa/status_bubble_mac.mm b/chrome/browser/ui/cocoa/status_bubble_mac.mm
index 3e2a6e01fe3b13a88fb0251994a1fc2df80a9470..d15d4c0d7f0b13d6d23f466d1ab971c77bcb4a07 100644
--- a/chrome/browser/ui/cocoa/status_bubble_mac.mm
+++ b/chrome/browser/ui/cocoa/status_bubble_mac.mm
@@ -352,7 +352,7 @@ void StatusBubbleMac::UpdateDownloadShelfVisibility(bool visible) {
 void StatusBubbleMac::Create() {
   DCHECK(!window_);
 
-  window_ = [[NSWindow alloc] initWithContentRect:NSZeroRect
+  window_ = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 1, 1)
                                         styleMask:NSBorderlessWindowMask
                                           backing:NSBackingStoreBuffered
                                             defer:YES];
@@ -436,7 +436,7 @@ void StatusBubbleMac::SetState(StatusBubbleState state) {
     return;
 
   if (state == kBubbleHidden)
-    [window_ setFrame:NSZeroRect display:YES];
+    [window_ setFrame:NSMakeRect(0, 0, 1, 1) display:YES];
 
   if ([delegate_ respondsToSelector:@selector(statusBubbleWillEnterState:)])
     [delegate_ statusBubbleWillEnterState:state];