Add remaining text/caret navigation commands to ChromeVox Next.

chrome/common/extensions/command.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 "chrome/common/extensions/command.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 44 matching lines @@
         errors::kInvalidKeyBindingUnknownPlatform,
         base::IntToString(index),
         platform_key);
     return ui::Accelerator();
   }
 
   std::vector<std::string> tokens;
   base::SplitString(accelerator, '+', &tokens);
   if (tokens.size() == 0 ||
       (tokens.size() == 1 && DoesRequireModifier(accelerator)) ||
-      tokens.size() > 3) {
+      tokens.size() > 4) {
     *error = ErrorUtils::FormatErrorMessageUTF16(
         errors::kInvalidKeyBinding,
         base::IntToString(index),
         platform_key,
         accelerator);
     return ui::Accelerator();
   }
 
   // Now, parse it into an accelerator.
   int modifiers = ui::EF_NONE;
@@ skipping 472 matching lines @@
   extension_data->SetBoolean("active", active);
   extension_data->SetString("keybinding", accelerator().GetShortcutText());
   extension_data->SetString("command_name", command_name());
   extension_data->SetString("extension_id", extension->id());
   extension_data->SetBoolean("global", global());
   extension_data->SetBoolean("extension_action", extension_action);
   return extension_data;
 }
 
 }  // namespace extensions