Removes control-alt-b accelerator. Turns out control-alt accelerators

chrome/browser/gtk/accelerators_gtk.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/gtk/accelerators_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <X11/XF86keysym.h>
 
@@ skipping 135 matching lines @@
 
   // Miscellany.
   { GDK_d, IDC_BOOKMARK_ALL_TABS,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_d, IDC_BOOKMARK_PAGE, GDK_CONTROL_MASK },
   { GDK_o, IDC_OPEN_FILE, GDK_CONTROL_MASK },
   { GDK_f, IDC_FIND, GDK_CONTROL_MASK },
   { GDK_p, IDC_PRINT, GDK_CONTROL_MASK },
   { GDK_b, IDC_SHOW_BOOKMARK_BAR,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
-  { GDK_b, IDC_SHOW_BOOKMARK_MANAGER,
-    GdkModifierType(GDK_CONTROL_MASK | GDK_MOD1_MASK) },
   { GDK_F11, IDC_FULLSCREEN, GdkModifierType(0) },
   { GDK_Delete, IDC_CLEAR_BROWSING_DATA,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_h, IDC_SHOW_HISTORY, GDK_CONTROL_MASK },
   { GDK_j, IDC_SHOW_DOWNLOADS, GDK_CONTROL_MASK },
   { GDK_F1, IDC_HELP_PAGE, GdkModifierType(0) },
   { XF86XK_AddFavorite, IDC_BOOKMARK_PAGE, GdkModifierType(0) },
   { XF86XK_Favorites, IDC_SHOW_BOOKMARK_BAR, GdkModifierType(0) },
   { XF86XK_History, IDC_SHOW_HISTORY, GdkModifierType(0) },
   { GDK_q, IDC_EXIT, GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
@@ skipping 22 matching lines @@
 const menus::AcceleratorGtk* AcceleratorsGtk::GetPrimaryAcceleratorForCommand(
     int command_id) {
   base::hash_map<int, menus::AcceleratorGtk>::const_iterator iter =
       primary_accelerators_.find(command_id);
 
   if (iter == primary_accelerators_.end())
     return NULL;
 
   return &iter->second;
 }