Remove InsecureContentInfobarDelegate, which has been broken for a while

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"
 #include "build/build_config.h"
 
@@ skipping 654 matching lines @@
 //   "IncludeSocketBytes"
 //
 // See the functions of the corresponding name in net_log_capture_mode.h for a
 // description of their meaning.
 const char kNetLogCaptureMode[]             = "net-log-capture-mode";
 
 // Disables the default browser check. Useful for UI/browser tests where we
 // want to avoid having the default browser info-bar displayed.
 const char kNoDefaultBrowserCheck[]         = "no-default-browser-check";
 
-// By default, an https page can load images, fonts or frames from an http
-// page. This switch overrides this to block this lesser mixed-content problem.
-const char kNoDisplayingInsecureContent[]   = "no-displaying-insecure-content";
-
 // Disables all experiments set on about:flags. Does not disable about:flags
 // itself. Useful if an experiment makes chrome crash at startup: One can start
 // chrome with --no-experiments, disable the problematic lab at about:flags and
 // then restart chrome without this switch again.
 const char kNoExperiments[]                 = "no-experiments";
 
 // Skip First Run tasks, whether or not it's actually the First Run. Overridden
 // by kForceFirstRun. This does not drop the First Run sentinel and thus doesn't
 // prevent first run from occuring the next time chrome is launched without this
 // flag.
@@ skipping 645 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