Adds support for showing the match preview on views. It's behind the

chrome/common/chrome_switches.cc

 // Copyright (c) 2010 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 "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 358 matching lines @@
 // Enable the GPU plugin and Pepper 3D rendering.
 const char kEnableGPUPlugin[]               = "enable-gpu-plugin";
 
 // Enable experimental GPU rendering for backing store and video.
 const char kEnableGPURendering[]            = "enable-gpu-rendering";
 
 // Force logging to be enabled.  Logging is disabled by default in release
 // builds.
 const char kEnableLogging[]                 = "enable-logging";
 
+// Is match preview enabled?
+const char kEnableMatchPreview[]            = "enable-match-preview";
+
 // Allows reporting memory info (JS heap size) to page.
 const char kEnableMemoryInfo[]              = "enable-memory-info";
 
 // On Windows, converts the page to the currently-installed monitor profile.
 // This does NOT enable color management for images. The source is still
 // assumed to be sRGB.
 const char kEnableMonitorProfile[]          = "enable-monitor-profile";
 
 // Runs the Native Client inside the renderer process and enables GPU plugin
 // (internally adds kInternalNaCl and lEnableGpuPlugin to the command line).
@@ skipping 769 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches