Add the magnifier shortcut keys (Ctrl+F6/F7) for debugging.

ash/accelerators/accelerator_table.cc

 // Copyright (c) 2012 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 "ash/accelerators/accelerator_table.h"
 
 #include "base/basictypes.h"
 
 namespace ash {
 
@@ skipping 47 matching lines @@
     MAGNIFY_SCREEN_ZOOM_OUT},
   { true, ui::VKEY_BRIGHTNESS_UP, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN,
     MAGNIFY_SCREEN_ZOOM_IN},
   { true, ui::VKEY_L, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, LOCK_SCREEN },
   // The lock key on Chrome OS keyboards produces F13 scancodes.
   { true, ui::VKEY_F13, ui::EF_NONE, LOCK_PRESSED },
   { false, ui::VKEY_F13, ui::EF_NONE, LOCK_RELEASED },
   { true, ui::VKEY_POWER, ui::EF_NONE, POWER_PRESSED },
   { false, ui::VKEY_POWER, ui::EF_NONE, POWER_RELEASED },
 #if !defined(NDEBUG)
+  // Extra shortcut for debug build to control magnifier on linux desktop.
+  { true, ui::VKEY_F6, ui::EF_CONTROL_DOWN, MAGNIFY_SCREEN_ZOOM_OUT},
+  { true, ui::VKEY_F7, ui::EF_CONTROL_DOWN, MAGNIFY_SCREEN_ZOOM_IN},
   // Extra shortcut for debug build to activate lock screen on linux desktop.
   { true, ui::VKEY_L, ui::EF_ALT_DOWN, LOCK_SCREEN },
   // Extra shortcut for display swaping as alt-f4 is taken on linux desktop.
   { true, ui::VKEY_F4, ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN,
     SWAP_PRIMARY_DISPLAY },
   // Extra shortcut to lock the screen on linux desktop.
   { true, ui::VKEY_POWER, ui::EF_SHIFT_DOWN, LOCK_PRESSED },
   { false, ui::VKEY_POWER, ui::EF_SHIFT_DOWN, LOCK_RELEASED },
 #endif  // !defined(NDEBUG)
   { true, ui::VKEY_O, ui::EF_CONTROL_DOWN, OPEN_FILE_MANAGER_DIALOG },
@@ skipping 201 matching lines @@
   CYCLE_BACKWARD_MRU,
   CYCLE_FORWARD_LINEAR,
   CYCLE_FORWARD_MRU,
   TOGGLE_MAXIMIZED,
 };
 
 const size_t kNonrepeatableActionsLength =
     arraysize(kNonrepeatableActions);
 
 }  // namespace ash