Add options to disable each of the two aspects of the prerender service

chrome/browser/prerender/prerender_field_trial.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/browser/prerender/prerender_field_trial.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 29 matching lines @@
 
 const char kLocalPredictorSpecTrialName[] = "PrerenderLocalPredictorSpec";
 const char kLocalPredictorKeyName[] = "LocalPredictor";
 const char kLocalPredictorUnencryptedSyncOnlyKeyName[] =
     "LocalPredictorUnencryptedSyncOnly";
 const char kSideEffectFreeWhitelistKeyName[] = "SideEffectFreeWhitelist";
 const char kPrerenderLaunchKeyName[] = "PrerenderLaunch";
 const char kPrerenderAlwaysControlKeyName[] = "PrerenderAlwaysControl";
 const char kPrerenderQueryPrerenderServiceKeyName[] =
     "PrerenderQueryPrerenderService";
+const char kPrerenderQueryPrerenderServiceCurrentURLKeyName[] =
+    "PrerenderQueryPrerenderServiceCurrentURL";
+const char kPrerenderQueryPrerenderServiceCandidateURLsKeyName[] =
+    "PrerenderQueryPrerenderServiceCandidateURLs";
 const char kPrerenderServiceBehaviorIDKeyName[] = "PrerenderServiceBehaviorID";
 const char kPrerenderServiceFetchTimeoutKeyName[] =
     "PrerenderServiceFetchTimeoutMs";
 const char kPrerenderTTLKeyName[] = "PrerenderTTLSeconds";
 const char kPrerenderPriorityHalfLifeTimeKeyName[] =
     "PrerenderPriorityHalfLifeTimeSeconds";
 const char kMaxConcurrentPrerenderKeyName[] = "MaxConcurrentPrerenders";
 const char kSkipFragment[] = "SkipFragment";
 const char kSkipHTTPS[] = "SkipHTTPS";
 const char kSkipWhitelist[] = "SkipWhitelist";
@@ skipping 306 matching lines @@
   return GetLocalPredictorSpecValue(kPrerenderAlwaysControlKeyName) ==
       kEnabledGroup;
 }
 
 bool ShouldQueryPrerenderService(Profile* profile) {
   return IsUnencryptedSyncEnabled(profile) &&
       GetLocalPredictorSpecValue(kPrerenderQueryPrerenderServiceKeyName) ==
       kEnabledGroup;
 }
 
+bool ShouldQueryPrerenderServiceForCurrentURL() {
+  return GetLocalPredictorSpecValue(
+      kPrerenderQueryPrerenderServiceCurrentURLKeyName) != kDisabledGroup;
+}
+
+bool ShouldQueryPrerenderServiceForCandidateURLs() {
+  return GetLocalPredictorSpecValue(
+      kPrerenderQueryPrerenderServiceCandidateURLsKeyName) != kDisabledGroup;
+}
+
 string GetPrerenderServiceURLPrefix() {
   string prefix = chrome_variations::GetVariationParamValue(
       kLocalPredictorSpecTrialName,
       kPrerenderServiceURLPrefixParameterName);
   if (prefix.empty())
     prefix = kDefaultPrerenderServiceURLPrefix;
   return prefix;
 }
 
 int GetPrerenderServiceBehaviorID() {
@@ skipping 78 matching lines @@
   return GetLocalPredictorSpecValue(kSkipPrerenderLocalCanadidates) ==
       kEnabledGroup;
 }
 
 bool SkipLocalPredictorServiceCandidates() {
   return GetLocalPredictorSpecValue(kSkipPrerenderServiceCanadidates) ==
       kEnabledGroup;
 }
 
 }  // namespace prerender