Extend ShareHelper#share to share a screenshot as a stream

chrome/android/javatests/src/org/chromium/chrome/browser/share/ShareUrlTest.java

 // Copyright 2014 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.share;
 
 import android.content.Intent;
 import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.chrome.shell.ChromeShellTestBase;
 import org.chromium.components.dom_distiller.core.DomDistillerUrlUtils;
 
 /**
  * Tests sharing URLs in reader mode (DOM distiller)
  */
 public class ShareUrlTest extends ChromeShellTestBase {
     private static final String HTTP_URL = "http://www.google.com/";
     private static final String HTTPS_URL = "https://www.google.com/";
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
 
         // load native methods in DomDistillerUrlUtils
         startChromeBrowserProcessSync(getInstrumentation().getTargetContext());
     }
 
     private void assertCorrectUrl(String originalUrl, String sharedUrl) {
-        Intent intent = ShareHelper.getShareIntent("", sharedUrl, null);
+        Intent intent = ShareHelper.getShareIntent(
+                getInstrumentation().getTargetContext(), "", sharedUrl, null);
         assert (intent.hasExtra(Intent.EXTRA_TEXT));
         String url = intent.getStringExtra(Intent.EXTRA_TEXT);
         assertEquals(originalUrl, url);
     }
 
     @SmallTest
     public void testNormalUrl() {
         assertCorrectUrl(HTTP_URL, HTTP_URL);
         assertCorrectUrl(HTTPS_URL, HTTPS_URL);
     }
 
     @SmallTest
     public void testDistilledUrl() {
         final String DomDistillerScheme = "chrome-distiller";
         String distilledHttpUrl =
                 DomDistillerUrlUtils.getDistillerViewUrlFromUrl(DomDistillerScheme, HTTP_URL);
         String distilledHttpsUrl =
                 DomDistillerUrlUtils.getDistillerViewUrlFromUrl(DomDistillerScheme, HTTPS_URL);
 
         assertCorrectUrl(HTTP_URL, distilledHttpUrl);
         assertCorrectUrl(HTTPS_URL, distilledHttpsUrl);
     }
 }