Revert "[Custom Tabs] Implement "Read It Later" Behind a Flag"

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java
index ff3692e6e599d44ff5eb2e32875b589e6659b694..9da7923e48922286293020a12386592d2daa4388 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabReparentingParams.java
@@ -18,17 +18,15 @@ public class TabReparentingParams implements AsyncTabParams {
     private final Tab mTabToReparent;
     private final Intent mOriginalIntent;
     private final Runnable mFinalizeCallback;
-    private final boolean mStayInChrome;
 
     /**
      * Basic constructor for {@link TabReparentingParams}.
      */
-    public TabReparentingParams(Tab tabToReparent, Intent originalIntent, Runnable finalizeCallback,
-            boolean stayInChrome) {
+    public TabReparentingParams(
+            Tab tabToReparent, Intent originalIntent, Runnable finalizeCallback) {
         mTabToReparent = tabToReparent;
         mOriginalIntent = originalIntent;
         mFinalizeCallback = finalizeCallback;
-        mStayInChrome = stayInChrome;
     }
 
     @Override
@@ -62,13 +60,6 @@ public class TabReparentingParams implements AsyncTabParams {
     }
 
     /**
-     * @return Whether the user should stay in Chrome after the tab is reparented.
-     */
-    public boolean shouldStayInChrome() {
-        return mStayInChrome;
-    }
-
-    /**
      * Carry out any remaining finalization to be done after the tab is reparented.
      */
     public void finalizeTabReparenting() {