Enable pinch & scrollbars by default for CrOS.

cc/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/switches.h"
 
 #include "base/command_line.h"
 
 namespace cc {
 namespace switches {
@@ skipping 10 matching lines @@
 
 // Paint content on the main thread instead of the compositor thread.
 // Overrides the kEnableImplSidePainting flag.
 const char kDisableImplSidePainting[] = "disable-impl-side-painting";
 
 // Paint content on the compositor thread instead of the main thread.
 const char kEnableImplSidePainting[] = "enable-impl-side-painting";
 
 const char kEnablePartialSwap[]             = "enable-partial-swap";
 
+const char kEnablePinchZoomScrollbars[]     = "enable-pinch-zoom-scrollbars";
+const char kDisablePinchZoomScrollbars[]    = "disable-pinch-zoom-scrollbars";
+
 const char kEnablePerTilePainting[]         = "enable-per-tile-painting";
 
 // Try to finish display pipeline before vsync tick
 const char kEnableRightAlignedScheduling[] = "enable-right-aligned-scheduling";
 
 const char kEnableTopControlsPositionCalculation[] =
     "enable-top-controls-position-calculation";
 
 // Enable solid tile color, transparent tile, and cheapness prediction metrics.
 const char kEnablePredictionBenchmarking[] = "enable-prediction-benchmarking";
@@ skipping 70 matching lines @@
 
 #if defined(OS_ANDROID)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace switches
 }  // namespace cc