[Mac] Fix the alignment of the new avatar button and the bubble.

chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm

Index: chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm b/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
index fdaf601d715bfbaef53c79c3258a076c8de0232b..d05be0a0d480491e575ba6ef0a48bcea68bb7bc1 100644
--- a/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
@@ -26,6 +26,9 @@
 
 // Space between the avatar icon and the avatar menu bubble.
 const CGFloat kMenuYOffsetAdjust = 1.0;
+// Offset needed to align the edge of the avatar bubble with the edge of the
+// avatar button.
+const CGFloat kMenuXOffsetAdjust = 2.0;
 
 @interface AvatarBaseController (Private)
 // Shows the avatar bubble.
@@ -153,8 +156,9 @@ class ProfileInfoUpdateObserver : public ProfileInfoCacheObserver,
 
   // The new avatar bubble does not have an arrow, and it should be anchored
   // to the edge of the avatar button.
-  int anchorX = switches::IsNewAvatarMenu() ? NSMaxX([anchor bounds]) :
-                                              NSMidX([anchor bounds]);
+  int anchorX = switches::IsNewAvatarMenu() ?
+      NSMaxX([anchor bounds]) - kMenuXOffsetAdjust :
+      NSMidX([anchor bounds]);
   NSPoint point = NSMakePoint(anchorX,
                               NSMaxY([anchor bounds]) - kMenuYOffsetAdjust);
   point = [anchor convertPoint:point toView:nil];