Adding a command line flag to specify renderer process limit

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"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 443 matching lines @@
 // On POSIX only: the contents of this flag are prepended to the renderer
 // command line. Useful values might be "valgrind" or "xterm -e gdb --args".
 const char kRendererCmdPrefix[]             = "renderer-cmd-prefix";
 
 // Causes the renderer process to crash on launch.
 const char kRendererCrashTest[]             = "renderer-crash-test";
 
 // Causes the process to run as renderer instead of as browser.
 const char kRendererProcess[]               = "renderer";
 
+// Sets the limit of number of renderer processes to use.

[Charlie Reis, 2012/02/03 23:05:34]

We should add a warning here that high values may lead to instability or high
memory use (at least until we verify otherwise).

[nasko, 2012/02/07 00:42:05]

Done.

+const char kRendererProcessLimit[]          = "renderer-process-limit";
+
 // Causes the renderer process to display a dialog on launch.
 const char kRendererStartupDialog[]         = "renderer-startup-dialog";
 
 // Causes the process to run as a service process.
 const char kServiceProcess[]                = "service";
 
 // Visibly render a border around paint rects in the web page to help debug
 // and study painting behavior.
 const char kShowPaintRects[]                = "show-paint-rects";
 
@@ skipping 94 matching lines @@
 const char kRendererCheckFalseTest[]        = "renderer-check-false-test";
 #endif
 
 // Enable per-tile page painting.
 const char kEnablePerTilePainting[]         = "enable-per-tile-painting";
 
 // Disables the use of a 3D software rasterizer.
 const char kDisableSoftwareRasterizer[]     = "disable-software-rasterizer";
 
 }  // namespace switches