[Android] Allow passing in extra intent flags for share menu item.

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java

Index: chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java
diff --git a/chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java b/chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java
index dd31f98f76c882db33bfad79a0c1ef585e4c6122..335ce04cc993e2106fbdbda5fbff2f2b71977d73 100644
--- a/chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java
+++ b/chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java
@@ -287,6 +287,7 @@ public class ChromeShellActivity extends Activity implements AppMenuPropertiesDe
         return super.onKeyDown(keyCode, event);
     }
 
+    @SuppressWarnings("deprecation")
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         ChromeShellTab activeTab = getActiveTab();
@@ -325,7 +326,8 @@ public class ChromeShellActivity extends Activity implements AppMenuPropertiesDe
             case R.id.share_menu_id:
             case R.id.direct_share_menu_id:
                 ShareHelper.share(item.getItemId() == R.id.direct_share_menu_id, this,
-                        activeTab.getTitle(), activeTab.getUrl(), null);
+                        activeTab.getTitle(), activeTab.getUrl(), null,
+                        Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                 return true;
             default:
                 return super.onOptionsItemSelected(item);