Add a flag to disable threaded scrolling

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"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 232 matching lines @@
 
 // Disable smooth scrolling for testing.
 const char kDisableSmoothScrolling[]        = "disable-smooth-scrolling";
 
 // Disables the use of a 3D software rasterizer.
 const char kDisableSoftwareRasterizer[]     = "disable-software-rasterizer";
 
 // Disable multithreaded GPU compositing of web content.
 const char kDisableThreadedCompositing[]     = "disable-threaded-compositing";
 
+// Disable multithreaded, compositor scrolling of web content.
+const char kDisableThreadedScrolling[]      = "disable-threaded-scrolling";
+
 // Disable V8 idle notification after commit.
 // Overrides kEnableV8IdleNotificationAfterCommit.
 const char kDisableV8IdleNotificationAfterCommit[] =
     "disable-v8-idle-notification-after-commit";
 
 // Don't enforce the same-origin policy. (Used by people testing their sites.)
 const char kDisableWebSecurity[]            = "disable-web-security";
 
 // Disables support for XSLT.
 const char kDisableXSLT[]                   = "disable-xslt";
@@ skipping 679 matching lines @@
 // Enable the Win32K process mitigation policy for renderer processes which
 // prevents them from invoking user32 and gdi32 system calls which enter
 // the kernel. This is only supported on Windows 8 and beyond.
 const char kEnableWin32kRendererLockDown[]
     = "enable_win32k_renderer_lockdown";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches