[Custom Tabs] Allow clients to display RemoteViews on the bottom bar

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
index d0ad74c5be4246fe36721975fd71bf1211f840c2..3b360c74a100d6fe998400aa4602fcb88c6005c0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
@@ -20,6 +20,7 @@ import android.os.IBinder;
 import android.support.customtabs.CustomTabsIntent;
 import android.text.TextUtils;
 import android.util.Pair;
+import android.widget.RemoteViews;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Log;
@@ -89,6 +90,7 @@ public class CustomTabIntentDataProvider {
     private boolean mShowShareItem;
     private CustomButtonParams mToolbarButton;
     private List<CustomButtonParams> mBottombarButtons = new ArrayList<>(2);
+    private RemoteViews mRemoteViews;
     // OnFinished listener for PendingIntents. Used for testing only.
     private PendingIntent.OnFinished mOnFinished;
 
@@ -149,6 +151,8 @@ public class CustomTabIntentDataProvider {
                 CustomTabsIntent.EXTRA_TITLE_VISIBILITY_STATE, CustomTabsIntent.NO_TITLE);
         mShowShareItem = IntentUtils.safeGetBooleanExtra(intent,
                 CustomTabsIntent.EXTRA_DEFAULT_SHARE_MENU_ITEM, false);
+        mRemoteViews = IntentUtils.safeGetParcelableExtra(intent,
+                CustomTabsIntent.EXTRA_SECONDARY_TOOLBAR_REMOTEVIEWS);
     }
 
     /**
@@ -278,7 +282,7 @@ public class CustomTabIntentDataProvider {
      * @return Whether the bottom bar should be shown.
      */
     public boolean shouldShowBottomBar() {
-        return !mBottombarButtons.isEmpty();
+        return !mBottombarButtons.isEmpty() || mRemoteViews != null;
     }
 
     /**
@@ -289,6 +293,14 @@ public class CustomTabIntentDataProvider {
     }
 
     /**
+     * @return The {@link RemoteViews} to show on the bottom bar, or null if the extra is not
+     *         specified.
+     */
+    public RemoteViews getBottomBarRemoteViews() {
+        return mRemoteViews;
+    }
+
+    /**
      * Gets params for all custom buttons, which is the combination of
      * {@link #getCustomButtonsOnBottombar()} and {@link #getCustomButtonOnToolbar()}.
      */