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

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
===================================================================
--- chrome/common/chrome_switches.cc	(revision 243063)
+++ chrome/common/chrome_switches.cc	(working copy)
@@ -1358,20 +1358,6 @@
 // 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