Disabled GPU process prelaunch field trial....

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 917 matching lines @@
 
 // Like kPluginLauncher for PPAPI plugins.
 const char kPpapiPluginLauncher[]           = "ppapi-plugin-launcher";
 
 // Argument to the process type that indicates a PPAPI plugin process type.
 const char kPpapiPluginProcess[]            = "ppapi";
 
 // Causes the PPAPI sub process to display a dialog on launch.
 const char kPpapiStartupDialog[]            = "ppapi-startup-dialog";
 
-// Establishes a channel to the GPU process asynchronously and (re)launches it
-// if necessary when a renderer process starts.
-const char kPrelaunchGpuProcess[]           = "prelaunch-gpu-process";
-
 // Prints the pages on the screen.
 const char kPrint[]                         = "print";
 
 // Runs a single process for each site (i.e., group of pages from the same
 // registered domain) the user visits.  We default to using a renderer process
 // for each site instance (i.e., group of pages from the same registered
 // domain with script connections to each other).
 const char kProcessPerSite[]                = "process-per-site";
 
 // Runs each set of script-connected tabs (i.e., a BrowsingInstance) in its own
@@ skipping 434 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