Convert scroll anchoring flag to runtime-enabled feature.

content/public/common/content_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 "build/build_config.h"
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
@@ skipping 416 matching lines @@
 const char kV8NativesPassedByFD[] = "v8-natives-passed-by-fd";
 
 // Signals that the V8 startup snapshot file has been transfered to the child
 // process by a file descriptor.
 const char kV8SnapshotPassedByFD[] = "v8-snapshot-passed-by-fd";
 
 // Cause the OS X sandbox write to syslog every time an access to a resource
 // is denied by the sandbox.
 const char kEnableSandboxLogging[]          = "enable-sandbox-logging";
 
-// Scrolls to compensate for layout movements (bit.ly/scroll-anchoring).
-const char kEnableScrollAnchoring[]         = "enable-scroll-anchoring";
-
 // Enables the Skia benchmarking extension
 const char kEnableSkiaBenchmarking[]        = "enable-skia-benchmarking";
 
 // Enables slimming paint phase 2: http://www.chromium.org/blink/slimming-paint
 const char kEnableSlimmingPaintV2[]         = "enable-slimming-paint-v2";
 
 // On platforms that support it, enables smooth scroll animation.
 const char kEnableSmoothScrolling[]         = "enable-smooth-scrolling";
 
 // Enable spatial navigation
@@ skipping 576 matching lines @@
 const char kMemoryPressureThresholdsMb[] = "memory-pressure-thresholds-mb";
 
 // Enables the exporting of the tracing events to ETW. This is only supported on
 // Windows Vista and later.
 const char kTraceExportEventsToETW[] = "trace-export-events-to-etw";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches