[TTS] Promote clicks on AMP carousel to a separate Tab.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java
index e6a8ad2dac2a88a86730630b19ebdd870c32a6d3..cc237ce86acdfd30c90b87b0c5627c5c39d629ce 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchFieldTrial.java
@@ -78,6 +78,8 @@ public class ContextualSearchFieldTrial {
     @VisibleForTesting
     static final String ONLINE_DETECTION_DISABLED = "disable_online_detection";
 
+    private static final String ENABLE_AMP_AS_SEPARATE_TAB = "enable_amp_as_separate_tab";
+
     // Cached values to avoid repeated and redundant JNI operations.
     private static Boolean sEnabled;
     private static Boolean sDisableSearchTermResolution;
@@ -101,6 +103,7 @@ public class ContextualSearchFieldTrial {
     private static Integer sSuppressionTaps;
     private static Boolean sIsContextualCardsBarIntegrationEnabled;
     private static Boolean sIsOnlineDetectionDisabled;
+    private static Boolean sIsAmpAsSeparateTabEnabled;
 
     /**
      * Don't instantiate.
@@ -372,6 +375,16 @@ public class ContextualSearchFieldTrial {
         return sSuppressionTaps.intValue();
     }
 
+    /**
+     * @return Whether to auto-promote clicks in the AMP carousel into a separate Tab.
+     */
+    static boolean isAmpAsSeparateTabEnabled() {
+        if (sIsAmpAsSeparateTabEnabled == null) {
+            sIsAmpAsSeparateTabEnabled = getBooleanParam(ENABLE_AMP_AS_SEPARATE_TAB);
+        }
+        return sIsAmpAsSeparateTabEnabled;
+    }
+
     // TODO(donnd): Remove once bar-integration is fully landed if still unused (native only).
     static boolean isContextualCardsBarIntegrationEnabled() {
         if (sIsContextualCardsBarIntegrationEnabled == null) {