Added menus for bookmark bar folders.

chrome/browser/cocoa/bookmark_menu_cocoa_controller.mm

Index: chrome/browser/cocoa/bookmark_menu_cocoa_controller.mm
===================================================================
--- chrome/browser/cocoa/bookmark_menu_cocoa_controller.mm	(revision 21290)
+++ chrome/browser/cocoa/bookmark_menu_cocoa_controller.mm	(working copy)
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "app/gfx/text_elider.h"
+#include "base/sys_string_conversions.h"
 #include "chrome/browser/browser.h"
 #import "chrome/browser/cocoa/bookmark_menu_bridge.h"
 #import "chrome/browser/cocoa/bookmark_menu_cocoa_controller.h"
@@ -9,8 +11,27 @@
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "webkit/glue/window_open_disposition.h"  // CURRENT_TAB
 
+namespace {
+
+// Menus more than this many pixels wide will get trimmed
+// TODO(jrg): ask UI dudes what a good value is.
+const NSUInteger kMaximumMenuPixelsWide = 300;
+
+}
+
 @implementation BookmarkMenuCocoaController
 
++ (NSString*)menuTitleForNode:(const BookmarkNode*)node {
+  NSFont* nsfont = [NSFont menuBarFontOfSize:0];  // 0 means "default"
+  gfx::Font font = gfx::Font::CreateFont(base::SysNSStringToWide([nsfont
+                                                                   fontName]),
+                                         (int)[nsfont pointSize]);
+  std::wstring title = gfx::ElideText(node->GetTitle(),
+                                      font,
+                                      kMaximumMenuPixelsWide);
+  return base::SysWideToNSString(title);
+}
+
 - (id)initWithBridge:(BookmarkMenuBridge *)bridge {
   if ((self = [super init])) {
     bridge_ = bridge;