Fix and hide action bar for html5 video

 Bug: 3304569

Change-Id: Ic794b4f704c5da01a93990e08ec89b5c26ffc937
diff --git a/src/com/android/browser/XLargeUi.java b/src/com/android/browser/XLargeUi.java
index dcba39b..f45b0a1 100644
--- a/src/com/android/browser/XLargeUi.java
+++ b/src/com/android/browser/XLargeUi.java
@@ -24,6 +24,8 @@
 import android.util.Log;
 import android.view.ActionMode;
 import android.view.Gravity;
+import android.view.View;
+import android.webkit.WebChromeClient.CustomViewCallback;
 import android.webkit.WebView;
 import android.widget.FrameLayout;
 import android.widget.FrameLayout.LayoutParams;
@@ -349,5 +351,19 @@
         mFakeTitleBar.setDisplayTitle(url);
     }
 
+    @Override
+    public void showCustomView(View view, CustomViewCallback callback) {
+        super.showCustomView(view, callback);
+        mActivity.getActionBar().hide();
+    }
 
+    @Override
+    public void onHideCustomView() {
+        super.onHideCustomView();
+        if (mUseQuickControls) {
+            checkTabCount();
+        } else {
+            mActivity.getActionBar().show();
+        }
+    }
 }