Make the shell work in multiprocess mode some apps.

shell/switches.cc

 // Copyright 2013 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 "shell/switches.h"
 
 #include "base/basictypes.h"
 
 namespace switches {
 
 namespace {
 // This controls logging verbosity. It's not strictly a switch for mojo_shell,
 // and isn't included in the public switches, but is included here so that it
 // doesn't trigger an error at startup.
 const char kV[] = "v";
 
 }  // namespace
 
 // Specify configuration arguments for a Mojo application URL. For example:
 // --args-for='mojo:wget http://www.google.com'
 const char kArgsFor[] = "args-for";
 
-// Used to specify the type of child process (switch values from
-// |ChildProcess::Type|).
+// Used internally by the main process to specify to a child process its type
+// (switch values from |ChildProcess::Type|). Not for user use.
 const char kChildProcessType[] = "child-process-type";
 
 // Comma separated list like:
 // text/html,mojo:html_viewer,application/bravo,https://abarth.com/bravo
 const char kContentHandlers[] = "content-handlers";
 
 // Force dynamically loaded apps / services to be loaded irrespective of cache
 // instructions.
 const char kDisableCache[] = "disable-cache";
 
@@ skipping 17 matching lines @@
 // Map mojo: URLs to a shared library of similar name at this origin. See
 // url_resolver.cc for details.
 const char kOrigin[] = "origin";
 
 // Specifies a set of mappings to apply when resolving urls. The value is a set
 // of ',' separated mappings, where each mapping consists of a pair of urls
 // giving the to/from url to map. For example, 'a=b,c=d' contains two mappings,
 // the first maps 'a' to 'b' and the second 'c' to 'd'.
 const char kURLMappings[] = "url-mappings";
 
+// Switches valid for the main process (i.e., that the user may pass in).
 const char* kSwitchArray[] = {kV,
                               kArgsFor,
-                              kChildProcessType,
+                              // |kChildProcessType| not for user use.
                               kContentHandlers,
                               kDisableCache,
                               kEnableExternalApplications,
                               kEnableMultiprocess,
                               kHelp,
                               kMapOrigin,
                               kOrigin,
                               kURLMappings};
 
 const std::set<std::string> GetAllSwitches() {
   std::set<std::string> switch_set;
 
   for (size_t i = 0; i < arraysize(kSwitchArray); ++i)
     switch_set.insert(kSwitchArray[i]);
   return switch_set;
 }
 
 }  // namespace switches