Use Finch flag instead of command line for Expect CT reporting

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 382 matching lines @@
 // If true devtools experimental settings are enabled.
 const char kEnableDevToolsExperiments[]     = "enable-devtools-experiments";
 
 // Enable device discovery notifications.
 const char kEnableDeviceDiscoveryNotifications[] =
     "enable-device-discovery-notifications";
 
 // Enables Domain Reliability Monitoring.
 const char kEnableDomainReliability[] = "enable-domain-reliability";
 
-// Enables Expect CT reporting, which sends reports for opted-in sites
-// that don't serve sufficient Certificate Transparency information.
-const char kEnableExpectCTReporting[] = "enable-expect-ct-reporting";
-
 // Enables experimental hotword features specific to always-on.
 const char kEnableExperimentalHotwordHardware[] = "enable-hotword-hardware";
 
 // Enables logging for extension activity.
 const char kEnableExtensionActivityLogging[] =
     "enable-extension-activity-logging";
 
 const char kEnableExtensionActivityLogTesting[] =
     "enable-extension-activity-log-testing";
 
@@ skipping 945 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