Add managed user avatar menu for mac.

chrome/browser/ui/cocoa/browser_window_controller_private.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_private.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_private.mm b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
index 2eebe957871c1c194e375876b17e6b85231e9cee..18e91797953675d59864a6b8668119eb0f0375f5 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
@@ -352,6 +352,15 @@ willPositionSheet:(NSWindow*)sheet
                     maxY + badgeYOffset);
     [avatarButton setFrameOrigin:origin];
     [avatarButton setHidden:NO];  // Make sure it's shown.
+
+    NSTextField* avatarLabel = [avatarButtonController_ labelView];
+    if (avatarLabel) {
+      CGFloat labelHeight = NSHeight([avatarLabel frame]);
+      origin = NSMakePoint(badgeXOffset - NSWidth([avatarLabel frame]),
+                           (buttonHeight - labelHeight) / 2);
+      [avatarLabel setFrameOrigin:origin];
+      [avatarLabel setHidden:NO];
+    }
   }
 
   // Calculate the right indentation.  The default indentation built into the
@@ -366,6 +375,10 @@ willPositionSheet:(NSWindow*)sheet
     rightIndent += -[window fullScreenButtonOriginAdjustment].x;
   } else if ([self shouldShowAvatar]) {
     rightIndent += kAvatarTabStripShrink;
+    if ([avatarButtonController_ labelView]) {
+      rightIndent += NSWidth([[avatarButtonController_ labelView] frame]) +
+                     kAvatarRightOffset;
+    }
   }
   [tabStripController_ setRightIndentForControls:rightIndent];
 
@@ -587,6 +600,12 @@ willPositionSheet:(NSWindow*)sheet
     [[avatarButtonController_ view] setHidden:YES];  // Will be shown in layout.
     [[[destWindow contentView] superview] addSubview:
         [avatarButtonController_ view]];
+    if ([avatarButtonController_ labelView]) {
+      [[avatarButtonController_ labelView] removeFromSuperview];
+      [[avatarButtonController_ labelView] setHidden:YES];
+      [[[destWindow contentView] superview]
+          addSubview:[avatarButtonController_ labelView]];
+    }
   }
 
   // Add the tab strip after setting the content view and moving the incognito