Remove migrateNetworkPredictionPreferences().

chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
index 7d59b9205e85a923f31507f2a444979a9ee8dbb6..6988a3891e6c5dec0de084b053cfb2408f0328c0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
@@ -568,30 +568,6 @@ public final class PrefServiceBridge {
     }
 
     /**
-     * @return whether there is a user set value for kNetworkPredictionEnabled.  This should only be
-     * used for preference migration.
-     */
-    public boolean networkPredictionEnabledHasUserSetting() {
-        return nativeNetworkPredictionEnabledHasUserSetting();
-    }
-
-    /**
-     * @return whether there is a user set value for kNetworkPredictionOptions.  This should only be
-     * used for preference migration.
-     */
-    public boolean networkPredictionOptionsHasUserSetting() {
-        return nativeNetworkPredictionOptionsHasUserSetting();
-    }
-
-    /**
-     * @return the user set value for kNetworkPredictionEnabled. This should only be used for
-     * preference migration.
-     */
-    public boolean getNetworkPredictionEnabledUserPrefValue() {
-        return nativeGetNetworkPredictionEnabledUserPrefValue();
-    }
-
-    /**
      * @return Network predictions preference.
      */
     public NetworkPredictionOptions getNetworkPredictionOptions() {
@@ -1044,9 +1020,6 @@ public final class PrefServiceBridge {
     private native void nativeSetSafeBrowsingEnabled(boolean enabled);
     private native boolean nativeGetSafeBrowsingManaged();
     private native boolean nativeGetNetworkPredictionManaged();
-    private native boolean nativeNetworkPredictionEnabledHasUserSetting();
-    private native boolean nativeNetworkPredictionOptionsHasUserSetting();
-    private native boolean nativeGetNetworkPredictionEnabledUserPrefValue();
     private native int nativeGetNetworkPredictionOptions();
     private native void nativeSetNetworkPredictionOptions(int option);
     private native void nativeSetResolveNavigationErrorEnabled(boolean enabled);