Added back onContextMenuClosed

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
index c11c737b89826366e5068cee28ac683b9438d488..c9c3857c564c68d12fe8524ba0f4c136d1cf0c81 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
@@ -1783,6 +1783,17 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
         mContextMenuCloseObservers.removeObserver(callback);
     }
 
+    /**
+     * @see Activity#onContextMenuClosed(Menu)
+     */
+    @Override
+    public void onContextMenuClosed(Menu menu) {
+        for (Callback<Menu> callback : mContextMenuCloseObservers) {
+            callback.onResult(menu);
+        }
+        // TODO(peconn): See if we can make WebContents use the ObserverList.
+    }
+
     private void enableHardwareAcceleration() {
         // HW acceleration is disabled in the manifest. Enable it only on high-end devices.
         if (!SysUtils.isLowEndDevice()) {