Fix docked browser window sometimes appears onscreen after restart

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 95c39c30ce808bbacb319cffb55ad556d2e13b20..160eb6b9a22f6e3714ee9c3b9fef47cf4bd9162f 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -363,7 +363,10 @@ gfx::Rect BrowserWindowCocoa::GetBounds() const {
 }
 
 bool BrowserWindowCocoa::IsMaximized() const {
-  return [window() isZoomed];
+  // -isZoomed returns YES if the window's frame equals the rect returned by
+  // -windowWillUseStandardFrame:defaultFrame:, even if the window is in the
+  // dock, so have to explicitly check for miniaturization state first.
+  return ![window() isMiniaturized] && [window() isZoomed];
 }
 
 bool BrowserWindowCocoa::IsMinimized() const {