Remove the speculative resource prefetching code. This was experimental code added 1.5 years ago an…

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 1340 matching lines @@
 
 // Second origin that can be used for the spdy proxy.
 const char kSpdyProxyAuthFallback[]         = "spdy-proxy-auth-fallback";
 
 // Origin for which SpdyProxy authentication is supported.
 const char kSpdyProxyAuthOrigin[]           = "spdy-proxy-auth-origin";
 
 // Authentication string for the data reduction proxy.
 const char kSpdyProxyAuthValue[]            = "spdy-proxy-auth-value";
 
-// Speculative resource prefetching.
-const char kSpeculativeResourcePrefetching[] =
-    "speculative-resource-prefetching";
-
-// Speculative resource prefetching is disabled.
-const char kSpeculativeResourcePrefetchingDisabled[] = "disabled";
-
-// Speculative resource prefetching will only learn about resources that need to
-// be prefetched but will not prefetch them.
-const char kSpeculativeResourcePrefetchingLearning[] = "learning";
-
-// Speculative resource prefetching is enabled.
-const char kSpeculativeResourcePrefetchingEnabled[] = "enabled";
-
 // Specifies the URL where spelling service feedback data will be sent instead
 // of the default URL. This switch is for temporary testing only.
 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
 // August 2013.
 const char kSpellingServiceFeedbackUrl[] = "spelling-service-feedback-url";
 
 // Specifies the number of seconds between sending batches of feedback to
 // spelling service. The default is 30 minutes. The mininum is 5 seconds. This
 // switch is for temporary testing only.
 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
@@ skipping 291 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