Enable pinch & scrollbars by default for CrOS.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 771 matching lines @@
     switches::kDisableRendererSideMixing,
     switches::kEnableStrictSiteIsolation,
     switches::kDisableFullScreen,
     switches::kEnableNewDialogStyle,
 #if defined(ENABLE_PLUGINS)
     switches::kEnablePepperTesting,
 #endif
     switches::kEnablePreparsedJsCaching,
     switches::kEnablePruneGpuCommandBuffers,
     switches::kEnablePinch,
+    switches::kDisablePinch,
 #if defined(OS_MACOSX)
     // Allow this to be set when invoking the browser and relayed along.
     switches::kEnableSandboxLogging,
 #endif
     switches::kEnableSeccompSandbox,
     switches::kEnableSoftwareCompositingGLAdapter,
     switches::kEnableStatsTable,
     switches::kEnableThreadedCompositing,
     switches::kEnableCompositingForFixedPosition,
     switches::kEnableHighDpiCompositingForFixedPosition,
@@ skipping 50 matching lines @@
     switches::kVideoThreads,
     switches::kVModule,
     switches::kWebCoreLogChannels,
     cc::switches::kBackgroundColorInsteadOfCheckerboard,
     cc::switches::kDisableImplSidePainting,
     cc::switches::kDisableThreadedAnimation,
     cc::switches::kEnableCompositorFrameMessage,
     cc::switches::kEnableImplSidePainting,
     cc::switches::kEnablePartialSwap,
     cc::switches::kEnablePerTilePainting,
+    cc::switches::kEnablePinchZoomScrollbars,
+    cc::switches::kDisablePinchZoomScrollbars,
     cc::switches::kEnablePredictionBenchmarking,
     cc::switches::kEnableRightAlignedScheduling,
     cc::switches::kEnableTopControlsPositionCalculation,
     cc::switches::kLowResolutionContentsScaleFactor,
     cc::switches::kNumRasterThreads,
     cc::switches::kShowNonOccludingRects,
     cc::switches::kShowOccludingRects,
     cc::switches::kShowPropertyChangedRects,
     cc::switches::kShowReplicaScreenSpaceRects,
     cc::switches::kShowScreenSpaceRects,
@@ skipping 766 matching lines @@
   TRACE_EVENT0("renderer_host",
                "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwappedNoHost");
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   ack_params.sync_point = 0;
   RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
                                                  gpu_process_host_id,
                                                  ack_params);
 }
 
 }  // namespace content