Revert 146170 - Adding a field trial to enable speculative resource prefetching learning.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
===================================================================
--- chrome/browser/about_flags.cc	(revision 146220)
+++ chrome/browser/about_flags.cc	(working copy)
@@ -847,6 +847,13 @@
     SINGLE_VALUE_TYPE(ash::switches::kAshDebugShortcuts),
   },
 #endif
+  {
+    "enable-speculative-resource-prefetching",
+    IDS_FLAGS_ENABLE_SPECULATIVE_RESOURCE_PREFETCHING_NAME,
+    IDS_FLAGS_ENABLE_SPECULATIVE_RESOURCE_PREFETCHING_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kEnableSpeculativeResourcePrefetching),
+  },
 };
 
 const Experiment* experiments = kExperiments;