Fix for pinch virtual viewport flag wasn't fully enabled.

cc/base/switches.h

 // 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.
 
 // Defines all the "cc" command-line switches.
 
 #ifndef CC_BASE_SWITCHES_H_
 #define CC_BASE_SWITCHES_H_
 
 #include "cc/base/cc_export.h"
@@ skipping 13 matching lines @@
 CC_EXPORT extern const char kEnableTopControlsPositionCalculation[];
 CC_EXPORT extern const char kJankInsteadOfCheckerboard[];
 CC_EXPORT extern const char kTopControlsHeight[];
 CC_EXPORT extern const char kTopControlsHideThreshold[];
 CC_EXPORT extern const char kTopControlsShowThreshold[];
 CC_EXPORT extern const char kSlowDownRasterScaleFactor[];
 CC_EXPORT extern const char kCompositeToMailbox[];
 CC_EXPORT extern const char kMaxTilesForInterestArea[];
 CC_EXPORT extern const char kMaxUnusedResourceMemoryUsagePercentage[];
 CC_EXPORT extern const char kEnablePinchVirtualViewport[];
+CC_EXPORT extern const char kDisablePinchVirtualViewport[];
 CC_EXPORT extern const char kStrictLayerPropertyChangeChecking[];
 CC_EXPORT extern const char kDisableCompositorTouchHitTesting[];
 
 // Switches for both the renderer and ui compositors.
 CC_EXPORT extern const char kUIDisablePartialSwap[];
 CC_EXPORT extern const char kEnableGpuBenchmarking[];
 
 // Debug visualizations.
 CC_EXPORT extern const char kShowCompositedLayerBorders[];
 CC_EXPORT extern const char kUIShowCompositedLayerBorders[];
@@ skipping 15 matching lines @@
 CC_EXPORT extern const char kUIShowNonOccludingRects[];
 
 // Unit test related.
 CC_EXPORT extern const char kCCLayerTreeTestNoTimeout[];
 CC_EXPORT extern const char kCCRebaselinePixeltests[];
 
 }  // namespace switches
 }  // namespace cc
 
 #endif  // CC_BASE_SWITCHES_H_