Revert of Remove smiluate-touch-screen-with-mouse content 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"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 772 matching lines @@
 
 // Enables or disables scroll end effect in response to vertical overscroll.
 // Set the value to '1' to enable the feature, and set to '0' to disable.
 // Defaults to disabled.
 const char kScrollEndEffect[] = "scroll-end-effect";
 
 // Visibly render a border around paint rects in the web page to help debug
 // and study painting behavior.
 const char kShowPaintRects[]                = "show-paint-rects";
 
+// Map mouse input events into touch gesture events.  Useful for debugging touch
+// gestures without needing a touchscreen.
+const char kSimulateTouchScreenWithMouse[]  =
+    "simulate-touch-screen-with-mouse";
+
 // Runs the renderer and plugins in the same process as the browser
 const char kSingleProcess[]                 = "single-process";
 
 // Experimentally enforces a one-site-per-process security policy.
 // All cross-site navigations force process swaps, and we can restrict a
 // renderer process's access rights based on its site.  For details, see:
 // http://www.chromium.org/developers/design-documents/site-isolation
 //
 // Unlike --enable-strict-site-isolation (which allows cross-site iframes),
 // this flag does not affect which cookies are attached to cross-site requests.
@@ skipping 211 matching lines @@
 
 // Disables support for Core Animation plugins. This is triggered when
 // accelerated compositing is disabled. See http://crbug.com/122430 .
 const char kDisableCoreAnimationPlugins[] =
     "disable-core-animation-plugins";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches