Remove use local blacklist experiment from Android

The experiment is no longer used anymore.

Bug: 1054179
Fixes: 1054179
Change-Id: Ie00127cd5327e3313e7684db25797cd14d58ca70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067563Reviewed-by: Xinghui Lu <xinghuilu@chromium.org>
Reviewed-by: Daniel Rubery <drubery@chromium.org>
Commit-Queue: Bettina Dea <bdea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745271}

components/safe_browsing/android/java/src/org/chromium/components/safe_browsing/SafeBrowsingApiBridge.java

@@ -56,7 +56,7 @@ public final class SafeBrowsingApiBridge {
                         SafeBrowsingApiBridgeJni.get().onUrlCheckDone(
                                 callbackId, resultStatus, metadata, checkDelta);
                     }
-                }, SafeBrowsingApiBridgeJni.get().areLocalBlacklistsEnabled());
+                });
         return initSuccesssful ? handler : null;
     }
 
@@ -97,7 +97,6 @@ public final class SafeBrowsingApiBridge {
 
     @NativeMethods
     interface Natives {
-        boolean areLocalBlacklistsEnabled();
         void onUrlCheckDone(long callbackId, int resultStatus, String metadata, long checkDelta);
     }
 }

components/safe_browsing/android/safe_browsing_api_handler_bridge.cc

@@ -106,11 +106,6 @@ static PendingCallbacksMap* GetPendingCallbacksMapOnIOThread() {
 
 }  // namespace
 
-// Java->Native call, to check whether the feature to use local blacklists is
-// enabled.
-jboolean JNI_SafeBrowsingApiBridge_AreLocalBlacklistsEnabled(JNIEnv* env) {
-  return base::FeatureList::IsEnabled(kUseLocalBlacklistsV2);
-}
 
 // Respond to the URL reputation request by looking up the callback information
 // stored in |pending_callbacks|.

components/safe_browsing/core/features.cc

@@ -106,10 +106,6 @@ const base::Feature kThreatDomDetailsTagAndAttributeFeature{
 const base::Feature kTriggerThrottlerDailyQuotaFeature{
     "SafeBrowsingTriggerThrottlerDailyQuota",
     base::FEATURE_DISABLED_BY_DEFAULT};
-
-const base::Feature kUseLocalBlacklistsV2{"SafeBrowsingUseLocalBlacklistsV2",
-                                          base::FEATURE_DISABLED_BY_DEFAULT};
-
 const base::Feature kUseNewDownloadWarnings{"UseNewDownloadWarnings",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
 
@@ -141,7 +137,6 @@ constexpr struct {
     {&kSuspiciousSiteTriggerQuotaFeature, true},
     {&kThreatDomDetailsTagAndAttributeFeature, false},
     {&kTriggerThrottlerDailyQuotaFeature, false},
-    {&kUseLocalBlacklistsV2, true},
 };
 
 // Adds the name and the enabled/disabled status of a given feature.

components/safe_browsing/core/features.h

@@ -99,9 +99,6 @@ extern const base::Feature kThreatDomDetailsTagAndAttributeFeature;
 // trials simultaneously.
 extern const base::Feature kTriggerThrottlerDailyQuotaFeature;
 
-// Controls whether Chrome on Android uses locally cached blacklists.
-extern const base::Feature kUseLocalBlacklistsV2;
-
 // Controls whether Chrome uses new download warning UX.
 extern const base::Feature kUseNewDownloadWarnings;