gtk: Remove Backspace and Shift-Backspace 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 98 matching lines @@
   { GDK_g, IDC_FIND_PREVIOUS,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_F3, IDC_FIND_PREVIOUS, GDK_SHIFT_MASK },
 
   // Navigation / toolbar buttons.
   { GDK_Home, IDC_HOME, GDK_MOD1_MASK },
   { XF86XK_HomePage, IDC_HOME, GdkModifierType(0) },
   { GDK_Escape, IDC_STOP, GdkModifierType(0) },
   { XF86XK_Stop, IDC_STOP, GdkModifierType(0) },
   { GDK_Left, IDC_BACK, GDK_MOD1_MASK },
-  { GDK_BackSpace, IDC_BACK, GdkModifierType(0) },
   { XF86XK_Back, IDC_BACK, GdkModifierType(0) },
   { GDK_Right, IDC_FORWARD, GDK_MOD1_MASK },
-  { GDK_BackSpace, IDC_FORWARD, GDK_SHIFT_MASK },
   { XF86XK_Forward, IDC_FORWARD, GdkModifierType(0) },
   { GDK_r, IDC_RELOAD, GDK_CONTROL_MASK },
   { GDK_F5, IDC_RELOAD, GdkModifierType(0) },
   { GDK_F5, IDC_RELOAD, GDK_CONTROL_MASK },
   { GDK_F5, IDC_RELOAD, GDK_SHIFT_MASK },
   { XF86XK_Reload, IDC_RELOAD, GdkModifierType(0) },
   { XF86XK_Refresh, IDC_RELOAD, GdkModifierType(0) },
 
   // Dev tools.
   { GDK_u, IDC_VIEW_SOURCE, GDK_CONTROL_MASK },
@@ skipping 53 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;
 }