Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

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 4d97af49fa0a82b810515aae8efafdf04b0c7937..eb6ee5f003f35590f97630a0fc8dd911b71fa035 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
@@ -235,6 +235,8 @@ willPositionSheet:(NSWindow*)sheet
   PermissionBubbleManager* manager = [self permissionBubbleManager];
   if (manager)
     manager->UpdateAnchorPosition();
+
+  browser_->bubble_manager()->UpdateAllBubbleAnchors();
 }
 
 - (void)applyTabStripLayout:(const chrome::TabStripLayout&)layout {
@@ -396,6 +398,8 @@ willPositionSheet:(NSWindow*)sheet
   if (statusBubble_)
     statusBubble_->SwitchParentWindow(destWindow);
 
+  browser_->bubble_manager()->UpdateAllBubbleAnchors();
+
   // Updates the bubble position.
   PermissionBubbleManager* manager = [self permissionBubbleManager];
   if (manager)