[Panel refactor] Deprecate old panels.

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 912 matching lines @@
 const char kNoStartupWindow[]               = "no-startup-window";
 
 // Shows a desktop notification that the cloud print token has expired and that
 // user needs to re-authenticate.
 const char kNotifyCloudPrintTokenExpired[]  = "notify-cp-token-expired";
 
 // Specifies the maximum number of threads to use for running the Proxy
 // Autoconfig (PAC) script.
 const char kNumPacThreads[]                 = "num-pac-threads";
 
-// Refactored (browserless) Panels are on by default in dev/canary/trunk.
-// Use this flag to revert to using the old-style (pre-refactor) Panels.
-// Flag will be removed after refactor is complete.
-const char kOldPanels[] = "old-panels";
-
 // Controls whether to use the fancy new scoring (takes into account
 // word breaks, does better balancing of topicality, recency, etc.) for
 // HistoryQuickProvider.
 const char kOmniboxHistoryQuickProviderNewScoring[] =
     "omnibox-history-quick-provider-new-scoring";
 // The value the kOmniboxHistoryQuickProviderNewScoring switch may have,
 // as in "--omnibox-history-quick-provider-new-scoring=1".
 // 1 means use new scoring.
 const char kOmniboxHistoryQuickProviderNewScoringEnabled[] = "1";
 // 0 means use old scoring ( == current behavior as of 6/2012).
@@ skipping 626 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