Pass user gesture bit when chrome handles an intent fired by itself

chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/IntentWithGesturesHandlerTest.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.externalnav;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+/**
+ * Instrumentation tests for {@link IntentWithGesturesHandler}.
+ */
+public class IntentWithGesturesHandlerTest extends InstrumentationTestCase {
+
+    @Override
+    public void tearDown() throws Exception {
+        IntentWithGesturesHandler.getInstance().clear();
+        super.tearDown();
+    }
+
+    @SmallTest
+    public void testCanUseGestureTokenOnlyOnce() {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("content://abc"));
+        IntentWithGesturesHandler.getInstance().onNewIntentWithGesture(intent);
+        assertTrue(intent.hasExtra(IntentWithGesturesHandler.EXTRA_USER_GESTURE_TOKEN));
+        assertTrue(IntentWithGesturesHandler.getInstance().getUserGestureAndClear(intent));
+        assertFalse(IntentWithGesturesHandler.getInstance().getUserGestureAndClear(intent));
+    }
+
+    @SmallTest
+    public void testModifiedGestureToken() {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("content://abc"));
+        IntentWithGesturesHandler.getInstance().onNewIntentWithGesture(intent);
+        intent.setData(Uri.parse("content://xyz"));
+        assertFalse(IntentWithGesturesHandler.getInstance().getUserGestureAndClear(intent));
+    }
+
+    @SmallTest
+    public void testPreviousGestureToken() {
+        Intent intent1 = new Intent(Intent.ACTION_VIEW, Uri.parse("content://abc"));
+        IntentWithGesturesHandler.getInstance().onNewIntentWithGesture(intent1);
+        Intent intent2 = new Intent(Intent.ACTION_VIEW, Uri.parse("content://xyz"));
+        IntentWithGesturesHandler.getInstance().onNewIntentWithGesture(intent2);
+        assertFalse(IntentWithGesturesHandler.getInstance().getUserGestureAndClear(intent1));
+    }
+}