[Android] Implement copy and open in background of Browser Actions

chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java

Index: chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java b/chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java
index a3fa31f1f084fab4cd4d3fc1bfbb03fb4f6f2f15..ba7bb632728674b5bf8595751588e66a9c7a60cc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/util/IntentUtils.java
@@ -20,6 +20,7 @@ import android.support.v4.app.BundleCompat;
 import org.chromium.base.Log;
 import org.chromium.base.VisibleForTesting;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 
 /**
@@ -265,6 +266,23 @@ public class IntentUtils {
     }
 
     /**
+     * Just like {@link Intent#getSerializableExtra(String)} but doesn't throw exceptions.
+     */
+    @SuppressWarnings("unchecked")
+    public static <T extends Serializable> T safeGetSerializableExtra(Intent intent, String name) {
+        try {
+            return (T) intent.getSerializableExtra(name);
+        } catch (ClassCastException ex) {
+            Log.e(TAG, "Invalide class for Serializable: " + name, ex);
+            return null;
+        } catch (Throwable t) {
+            // Catches un-serializable exceptions.
+            Log.e(TAG, "getSerializableExtra failed on intent " + intent);
+            return null;
+        }
+    }
+
+    /**
      * Just like {@link BundleCompat#getBinder()}, but doesn't throw exceptions.
      */
     public static IBinder safeGetBinder(Bundle bundle, String name) {