fix TranslateBubble toggle off by omnibar icon

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index 7526dfab7fc0b4cdd8e14626161cb70dec198e1c..dcba089bc5186506f2cbc043ccd305a44c86fd41 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -1609,6 +1609,11 @@ bool IsTabDetachingInFullscreenEnabled() {
     }
     return;
   }
+  if ((base::Time::Now() - translateBubbleClosedTime_).InMilliseconds() < 10) {
+    // The TranslateBubble was just cloed within 10 ms. Do not open it.
+    // It was closed by focus lost when user click on the icon to toggle it off.
+    return;
+  }
 
   std::string sourceLanguage;
   std::string targetLanguage;
@@ -1650,6 +1655,7 @@ bool IsTabDetachingInFullscreenEnabled() {
                     name:NSWindowWillCloseNotification
                   object:[translateBubbleController_ window]];
   translateBubbleController_ = nil;
+  translateBubbleClosedTime_ = base::Time::Now();
 }
 
 // If the browser is in incognito mode or has multi-profiles, install the image