Begin whitelisting specific extensions for global key registration.

chrome/browser/extensions/api/commands/command_service.cc

Index: chrome/browser/extensions/api/commands/command_service.cc
diff --git a/chrome/browser/extensions/api/commands/command_service.cc b/chrome/browser/extensions/api/commands/command_service.cc
index a448bf26f090598c254e3261b7e9dacbb0e458d6..3fd21e6a724e087da8265b2c2ab77eeead9164f5 100644
--- a/chrome/browser/extensions/api/commands/command_service.cc
+++ b/chrome/browser/extensions/api/commands/command_service.cc
@@ -565,6 +565,10 @@ bool CommandService::CanAutoAssign(const Command &command,
         command.command_name() == manifest_values::kPageActionCommandEvent)
       return false;  // Browser and page actions are not global in nature.
 
+    if (extension->permissions_data()->HasAPIPermission(
+            APIPermission::kCommandsAccessibility))
+      return true;
+
     // Global shortcuts are restricted to (Ctrl|Command)+Shift+[0-9].
 #if defined OS_MACOSX
     if (!command.accelerator().IsCmdDown())