linux: Remove --scroll-pixels flag.

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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 677 matching lines @@
 
 // Set to enable compatibility with legacy WebView synchronous APIs.
 const char kEnableWebViewSynchronousAPIs[] = "enable-webview-synchronous-apis";
 #endif
 
 #if defined(OS_POSIX)
 // Causes the child processes to cleanly exit via calling exit().
 const char kChildCleanExit[]                = "child-clean-exit";
 #endif
 
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
-// Specify the amount the trackpad should scroll by.
-const char kScrollPixels[]                  = "scroll-pixels";
-#endif
-
 #if defined(OS_MACOSX) || defined(OS_WIN)
 // Use the system SSL library (Secure Transport on Mac, SChannel on Windows)
 // instead of NSS for SSL.
 const char kUseSystemSSL[]                  = "use-system-ssl";
 #endif
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 const char kDisableCarbonInterposing[]      = "disable-carbon-interposing";
 #endif
 
@@ skipping 21 matching lines @@
 
 const char kEnableFixedPositionCreatesStackingContext[]
     = "enable-fixed-position-creates-stacking-context";
 const char kDisableFixedPositionCreatesStackingContext[]
     = "disable-fixed-position-creates-stacking-context";
 
 // Defer image decoding in WebKit until painting.
 const char kEnableDeferredImageDecoding[] = "enable-deferred-image-decoding";
 
 }  // namespace switches