Support "shared" histograms between processes.

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 291 matching lines @@
 const char kDisablePasswordManagerReauthentication[] =
     "disable-password-manager-reauthentication";
 
 // Disable the new material UI - requires out of process PDF plugin.
 const char kDisablePdfMaterialUI[]          = "disable-pdf-material-ui";
 
 // Disables the Permissions Blacklist, which blocks access to permissions
 // for blacklisted sites.
 const char kDisablePermissionsBlacklist[] = "disable-permissions-blacklist";
 
+// Force disabling of metric storage in persistent memory.
+const char kDisablePersistentMetrics[]      = "disable-persistent-metrics";
+
 // Disable pop-up blocking.
 const char kDisablePopupBlocking[]          = "disable-popup-blocking";
 
 // Disable speculative TCP/IP preconnection.
 const char kDisablePreconnect[]             = "disable-preconnect";
 
 // Disables print preview (For testing, and for users who don't like us. :[ )
 const char kDisablePrintPreview[]           = "disable-print-preview";
 
 // Normally when the user attempts to navigate to a page that was the result of
@@ skipping 1075 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