overscroll: Disable overscroll by default.

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 <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1234 matching lines @@
   },
   {
     "enable-interactive-autocomplete",
     IDS_FLAGS_ENABLE_INTERACTIVE_AUTOCOMPLETE_NAME,
     IDS_FLAGS_ENABLE_INTERACTIVE_AUTOCOMPLETE_DESCRIPTION,
     kOsWin | kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kEnableInteractiveAutocomplete)
   },
 #if defined(USE_AURA)
   {
-    "disable-overscroll-history-navigation",
-    IDS_FLAGS_DISABLE_OVERSCROLL_HISTORY_NAVIGATION_NAME,
-    IDS_FLAGS_DISABLE_OVERSCROLL_HISTORY_NAVIGATION_DESCRIPTION,
+    "enable-overscroll-history-navigation",
+    IDS_FLAGS_ENABLE_OVERSCROLL_HISTORY_NAVIGATION_NAME,
+    IDS_FLAGS_ENABLE_OVERSCROLL_HISTORY_NAVIGATION_DESCRIPTION,
     kOsAll,
-    SINGLE_VALUE_TYPE(switches::kDisableOverscrollHistoryNavigation)
+    SINGLE_VALUE_TYPE(switches::kEnableOverscrollHistoryNavigation)
   },
 #endif
   {
     "enable-touch-drag-drop",
     IDS_FLAGS_ENABLE_TOUCH_DRAG_DROP_NAME,
     IDS_FLAGS_ENABLE_TOUCH_DRAG_DROP_DESCRIPTION,
     kOsWin | kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kEnableTouchDragDrop)
   },
 #if defined(ENABLE_MESSAGE_CENTER)
@@ skipping 448 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags