Revert of Bootstrap Mojo IPC independent of Chrome IPC

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 606 matching lines @@
 const char kMaxUntiledLayerHeight[]         = "max-untiled-layer-height";
 const char kMaxUntiledLayerWidth[]          = "max-untiled-layer-width";
 
 // Sample memory usage with high frequency and store the results to the
 // Renderer.Memory histogram. Used in memory tests.
 const char kMemoryMetrics[]                 = "memory-metrics";
 
 // Use a Mojo-based LocalStorage implementation.
 const char kMojoLocalStorage[]              = "mojo-local-storage";
 
-// A random token a child process can exchange for a primordial message pipe
-// to the browser.
-const char kMojoPrimordialPipeToken[]       = "mojo-primordial-pipe-token";
-
 // Mutes audio sent to the audio device so it is not audible during
 // automated testing.
 const char kMuteAudio[]                     = "mute-audio";
 
 // Don't send HTTP-Referer headers.
 const char kNoReferrers[]                   = "no-referrers";
 
 // Disables the sandbox for all process types that are normally sandboxed.
 const char kNoSandbox[]                     = "no-sandbox";
 
@@ skipping 408 matching lines @@
 const char kMemoryPressureThresholdsMb[] = "memory-pressure-thresholds-mb";
 
 // Enables the exporting of the tracing events to ETW. This is only supported on
 // Windows Vista and later.
 const char kTraceExportEventsToETW[] = "trace-export-events-to-etw";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches