Use kRenderClientId command line flag when starting a render process

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 "build/build_config.h"
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
@@ skipping 733 matching lines @@
 // Enables more web features over insecure connections. Designed to be used
 // for testing purposes only.
 const char kReduceSecurityForTesting[]      = "reduce-security-for-testing";
 
 // Register Pepper plugins (see pepper_plugin_list.cc for its format).
 const char kRegisterPepperPlugins[]         = "register-pepper-plugins";
 
 // Enables remote debug over HTTP on the specified port.
 const char kRemoteDebuggingPort[]           = "remote-debugging-port";
 
+const char kRendererClientId[] = "renderer-client-id";
+
 // 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 process to run as renderer instead of as browser.
 const char kRendererProcess[]               = "renderer";
 
 // Overrides the default/calculated limit to the number of renderer processes.
 // Very high values for this setting can lead to high memory/resource usage
 // or instability.
@@ skipping 306 matching lines @@
 // the given directory. Used primarily to gather samples for IPC fuzzing.
 const char kIpcDumpDirectory[] = "ipc-dump-directory";
 
 // Specifies the testcase used by the IPC fuzzer.
 const char kIpcFuzzerTestcase[] = "ipc-fuzzer-testcase";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches