Initial checkin of the out of process worker implementation....

chrome/common/chrome_switches.cc

 // Copyright (c) 2006-2008 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"
 
 namespace switches {
 
@@ skipping 56 matching lines @@
 // asking the user to start a renderer process independently rather
 // than launching the renderer itself.  (This is useful for debugging.)
 const wchar_t kBrowserStartRenderersManually[] = L"start-renderers-manually";
 
 // Causes the process to run as renderer instead of as browser.
 const wchar_t kRendererProcess[]               = L"renderer";
 
 // Path to the exe to run for the renderer subprocess
 const wchar_t kRendererPath[]                  = L"renderer-path";
 
-// Causes the process to run as plugin host
+// Causes the process to run as a plugin subprocess.
 const wchar_t kPluginProcess[]                 = L"plugin";
 
+// Causes the process to run as a worker subprocess.
+const wchar_t kWorkerProcess[]                 = L"worker";
+
 // Runs the renderer and plugins in the same process as the browser
 const wchar_t kSingleProcess[]                 = L"single-process";
 
 // Runs each set of script-connected tabs (i.e., a BrowsingInstance) in its own
 // renderer process.  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 wchar_t kProcessPerTab[]                 = L"process-per-tab";
 
 // Runs a single process for each site (i.e., group of pages from the same
@@ skipping 302 matching lines @@
 
 // On POSIX only: the contents of this flag are prepended to the renderer
 // command line. (Useful values might be "valgrind" or "gdb --args")
 const wchar_t kRendererCmdPrefix[]             = L"renderer-cmd-prefix";
 
 // On POSIX only: use FIFO for IPC channels so that "unrelated" process
 // can connect to a channel, provided it knows its name. For debugging purposes.
 const wchar_t kIPCUseFIFO[]                    = L"ipc-use-fifo";
 
 }  // namespace switches