Adding a field trial to enable speculative resource prefetching learning.

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 594 matching lines @@
 
 // Controls the support for SDCH filtering (dictionary based expansion of
 // content). By default SDCH filtering is enabled. To disable SDCH filtering,
 // use "--enable-sdch=0" as command line argument. SDCH is currently only
 // supported server-side for searches on google.com.
 const char kEnableSdch[]                    = "enable-sdch";
 
 // Enable SPDY/3. This is a temporary testing flag.
 const char kEnableSpdy3[]                   = "enable-spdy3";
 
-// Enable speculative resource prefetching.
-const char kEnableSpeculativeResourcePrefetching[] =
-    "enable-speculative-resource-prefetching";
-
 // Enables the stacked tabstrip.
 const char kEnableStackedTabStrip[]         = "enable-stacked-tab-strip";
 
 // Enables experimental suggestions pane in New Tab page.
 const char kEnableSuggestionsTabPage[]      = "enable-suggestions-ntp";
 
 // Disables syncing browser sessions. Will override kEnableSyncTabs.
 const char kDisableSyncTabs[]               = "disable-sync-tabs";
 
 // Enables context menu for selecting groups of tabs.
@@ skipping 553 matching lines @@
 // Simulates an update being available.
 const char kSimulateUpgrade[]               = "simulate-upgrade";
 
 // Replaces the buffered data source for <audio> and <video> with a simplified
 // resource loader that downloads the entire resource into memory.
 
 // Socket reuse policy. The value should be of type enum
 // ClientSocketReusePolicy.
 const char kSocketReusePolicy[]             = "socket-reuse-policy";
 
+// 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";
+
 // Specifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
 // "tls1.2").
 const char kSSLVersionMax[]                 = "ssl-version-max";
 
 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
 // "tls1.2").
 const char kSSLVersionMin[]                 = "ssl-version-min";
 
 // Starts the browser maximized, regardless of any previous settings.
 const char kStartMaximized[]                = "start-maximized";
@@ 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