[Mac] Lock open the fullscreen overlay when browsing bookmark folders.

BUG=37271
TEST=Go fullscreen.  Open a folder on the bookmarkbar and hover over one of its subentries.  Overlay should not scroll back up.
Review URL: http://codereview.chromium.org/669086

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40740 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 17 insertions, 1 deletions

diff --git a/chrome/browser/cocoa/bookmark_bar_folder_controller.mm b/chrome/browser/cocoa/bookmark_bar_folder_controller.mm
index 7dedb21..f000750c 100644
--- a/chrome/browser/cocoa/bookmark_bar_folder_controller.mm
+++ b/chrome/browser/cocoa/bookmark_bar_folder_controller.mm
@@ -11,7 +11,7 @@
 #import "chrome/browser/cocoa/bookmark_bar_controller.h" // namespace bookmarks
 #import "chrome/browser/cocoa/bookmark_bar_folder_view.h"
 #import "chrome/browser/cocoa/bookmark_button_cell.h"
-
+#import "chrome/browser/cocoa/browser_window_controller.h"
 
 @interface BookmarkBarFolderController(Private)
 - (void)configureWindow;
@@ -52,6 +52,13 @@
   [super dealloc];
 }
 
+// Overriden from NSWindowController to call childFolderWillShow: before showing
+// the window.
+- (void)showWindow:(id)sender {
+  [parentController_ childFolderWillShow:self];
+  [super showWindow:sender];
+}
+
 // Update theme information for all our buttons.
 - (void)updateTheme:(ThemeProvider*)themeProvider {
   if (!themeProvider)
@@ -224,6 +231,14 @@
   return [parentController_ themeProvider];
 }
 
+- (void)childFolderWillShow:(id<BookmarkButtonControllerProtocol>)child {
+  // Do nothing.
+}
+
+- (void)childFolderWillClose:(id<BookmarkButtonControllerProtocol>)child {
+  // Do nothing.
+}
+
 // Recursively close all bookmark folders.
 - (void)closeAllBookmarkFolders {
   // Closing the top level implicitly closes all children.
@@ -255,6 +270,7 @@
 
 // Delegate callback.
 - (void)windowWillClose:(NSNotification*)notification {
+  [parentController_ childFolderWillClose:self];
   [[self parentWindow] removeChildWindow:[self window]];
   [self closeBookmarkFolder:self];
   [self autorelease];