[Contextual Search] Trigger the translation one-box.

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser.contextualsearch;
 
 import android.text.TextUtils;
 
 import org.chromium.base.CommandLine;
 import org.chromium.base.SysUtils;
@@ skipping 34 matching lines @@
     private static final String CHINESE_LANGUAGE_CODE = "zh";
     private static final String JAPANESE_LANGUAGE_CODE = "ja";
     private static final String KOREAN_LANGUAGE_CODE = "ko";
     private static final String[] CJK_LANGUAGE_CODES = {CHINESE_LANGUAGE_CODE,
         JAPANESE_LANGUAGE_CODE, KOREAN_LANGUAGE_CODE};
 
     // The default navigation-detection-delay in milliseconds.
     private static final int DEFAULT_TAP_NAVIGATION_DETECTION_DELAY = 16;
     private static final String NAVIGATION_DETECTION_DELAY = "tap_navigation_detection_delay";
 
+    // Quick Answers.
+    private static final String QUICK_ANSWERS_ENABLED = "quick_answers_enabled";
+
+    // Tap handling.
     private static final int UNLIMITED_TAPS = -1;
     private static final int DEFAULT_TAP_RESOLVE_LIMIT_FOR_DECIDED = UNLIMITED_TAPS;
     private static final int DEFAULT_TAP_PREFETCH_LIMIT_FOR_DECIDED = UNLIMITED_TAPS;
     private static final int DEFAULT_TAP_RESOLVE_LIMIT_FOR_UNDECIDED = 100;
     private static final int DEFAULT_TAP_PREFETCH_LIMIT_FOR_UNDECIDED = 10;
 
     // Cached values to avoid repeated and redundant JNI operations.
     private static Boolean sEnabled;
     private static Boolean sIsPeekPromoEnabled;
     private static Integer sPeekPromoMaxCount;
+    private static Boolean sIsQuickAnswersEnabled;
 
     /**
      * Don't instantiate.
      */
     private ContextualSearchFieldTrial() {}
 
     /**
      * Checks the current Variations parameters associated with the active group as well as the
      * Chrome preference to determine if the service is enabled.
      * @return Whether Contextual Search is enabled or not.
@@ skipping 181 matching lines @@
      */
     static int getPeekPromoMaxShowCount() {
         if (sPeekPromoMaxCount == null) {
             sPeekPromoMaxCount = getIntParamValueOrDefault(
                     PEEK_PROMO_MAX_SHOW_COUNT,
                     PEEK_PROMO_DEFAULT_MAX_SHOW_COUNT);
         }
         return sPeekPromoMaxCount.intValue();
     }
 
+    /**
+     * @return Whether showing "quick answers" in the Bar is enabled.
+     */
+    static boolean isQuickAnswersEnabled() {
+        if (sIsQuickAnswersEnabled == null) {
+            sIsQuickAnswersEnabled = getBooleanParam(QUICK_ANSWERS_ENABLED);
+        }
+        return sIsQuickAnswersEnabled.booleanValue();
+    }
+
     // --------------------------------------------------------------------------------------------
     // Helpers.
     // --------------------------------------------------------------------------------------------
 
     /**
      * Gets a boolean Finch parameter, assuming the <paramName>="true" format.  Also checks for a
      * command-line switch with the same name, for easy local testing.
      * @param paramName The name of the Finch parameter (or command-line switch) to get a value for.
      * @return Whether the Finch param is defined with a value "true", if there's a command-line
      *         flag present with any value.
@@ skipping 34 matching lines @@
      * @param paramName The name of the Finch parameter (or command-line switch) to get a value for.
      * @return The command-line value, if present, or the finch parameter value.
      */
     private static String getStringParam(String paramName) {
         if (CommandLine.getInstance().hasSwitch(paramName)) {
             return CommandLine.getInstance().getSwitchValue(paramName);
         }
         return VariationsAssociatedData.getVariationParamValue(FIELD_TRIAL_NAME, paramName);
     }
 }