Add a --enable-gesture-typing flag. Currently this flag does nothing.

chrome/browser/about_flags.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/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1270 matching lines @@
     SINGLE_VALUE_TYPE(chromeos::switches::kDisableVoiceInput)
   },
   {
     "enable-experimental-input-view-features",
     IDS_FLAGS_ENABLE_EXPERIMENTAL_INPUT_VIEW_FEATURES_NAME,
     IDS_FLAGS_ENABLE_EXPERIMENTAL_INPUT_VIEW_FEATURES_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(keyboard::switches::kEnableExperimentalInputViewFeatures)
   },
   {
+    "enable-gesture-typing",
+    IDS_FLAGS_ENABLE_GESTURE_TYPING_NAME,
+    IDS_FLAGS_ENABLE_GESTURE_TYPING_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(keyboard::switches::kEnableGestureTyping)
+  },
+  {
     "disable-smart-virtual-keyboard",
     IDS_FLAGS_DISABLE_SMART_VIRTUAL_KEYBOARD_NAME,
     IDS_FLAGS_DISABLE_SMART_VIRTUAL_KEYBOARD_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(keyboard::switches::kDisableSmartVirtualKeyboard)
   },
 #endif
   {
     "enable-simple-cache-backend",
     IDS_FLAGS_ENABLE_SIMPLE_CACHE_BACKEND_NAME,
@@ skipping 1397 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags