Add a menu item to content_shell to open devtools to make it more discoverable.

chrome/common/chrome_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 "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 1116 matching lines @@
 // allows us to record a session into the cache and then replay it at will.
 // See also kPlaybackMode.
 const char kRecordMode[]                    = "record-mode";
 
 // Reloads pages that have been killed when they are next focused by the user.
 const char kReloadKilledTabs[]              = "reload-killed-tabs";
 
 // Uses custom front-end URL for the remote debugging.
 const char kRemoteDebuggingFrontend[]       = "remote-debugging-frontend";
 
+// Enables remote debug over HTTP on the specified port.
+const char kRemoteDebuggingPort[]           = "remote-debugging-port";
+
 // Enables print preview in the renderer. This flag is generated internally by
 // Chrome and does nothing when directly passed to the browser.
 const char kRendererPrintPreview[]          = "renderer-print-preview";
 
 // Forces a reset of the one-time-randomized FieldTrials on this client, also
 // known as the Chrome Variations state.
 const char kResetVariationState[]           = "reset-variation-state";
 
 // Indicates the last session should be restored on startup. This overrides the
 // preferences value and is primarily intended for testing. The value of this
@@ skipping 411 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches