Remove enable-pinch-zoom-scrollbars flag.

cc/base/switches.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 "cc/base/switches.h"
 
 #include "base/command_line.h"
 
 namespace cc {
 namespace switches {
@@ skipping 49 matching lines @@
 const char kLowResolutionContentsScaleFactor[] =
     "low-resolution-contents-scale-factor";
 
 // Max tiles allowed for each tilings interest area.
 const char kMaxTilesForInterestArea[] = "max-tiles-for-interest-area";
 
 // The amount of unused resource memory compositor is allowed to keep around.
 const char kMaxUnusedResourceMemoryUsagePercentage[] =
     "max-unused-resource-memory-usage-percentage";
 
-// Causes overlay scrollbars to appear when zoomed in ChromeOS/Windows.
-const char kEnablePinchZoomScrollbars[]     = "enable-pinch-zoom-scrollbars";
-const char kDisablePinchZoomScrollbars[]    = "disable-pinch-zoom-scrollbars";
-
 // Causes the compositor to render to textures which are then sent to the parent
 // through the texture mailbox mechanism.
 // Requires --enable-compositor-frame-message.
 const char kCompositeToMailbox[] = "composite-to-mailbox";
 
 // Check that property changes during paint do not occur.
 const char kStrictLayerPropertyChangeChecking[] =
     "strict-layer-property-change-checking";
 
 const char kEnablePartialSwap[] = "enable-partial-swap";
@@ skipping 69 matching lines @@
   return false;
 #elif defined(OS_ANDROID)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace switches
 }  // namespace cc