Add support for not owning distilled WebContents

chrome/browser/dom_distiller/tab_utils_browsertest.cc

 // 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.
 
 #include <string.h>
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "chrome/browser/dom_distiller/tab_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/dom_distiller/content/web_contents_main_frame_observer.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/core/task_tracker.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "components/dom_distiller/core/url_utils.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "content/public/test/browser_test_utils.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace dom_distiller {
 
 namespace {
 const char* kSimpleArticlePath = "/dom_distiller/simple_article.html";
 }  // namespace
 
 class DomDistillerTabUtilsBrowserTest : public InProcessBrowserTest {
@@ skipping 52 matching lines @@
   new_url_loaded_runner.Run();
 
   // Verify the new URL is showing distilled content in a new WebContents.
   EXPECT_NE(initial_web_contents, after_web_contents);
   EXPECT_TRUE(
       after_web_contents->GetLastCommittedURL().SchemeIs(kDomDistillerScheme));
   EXPECT_EQ("Test Page Title",
             base::UTF16ToUTF8(after_web_contents->GetTitle()));
 }
 
+IN_PROC_BROWSER_TEST_F(DomDistillerTabUtilsBrowserTest,
+                       TestDistillIntoWebContents) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  content::WebContents* source_web_contents =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  const GURL& article_url = embedded_test_server()->GetURL(kSimpleArticlePath);
+
+  // This blocks until the navigation has completely finished.
+  ui_test_utils::NavigateToURL(browser(), article_url);
+
+  // Create destination WebContents.
+  content::WebContents::CreateParams create_params(
+      source_web_contents->GetBrowserContext());
+  content::WebContents* destination_web_contents =
+      content::WebContents::Create(create_params);
+  DCHECK(destination_web_contents);
+
+  browser()->tab_strip_model()->AppendWebContents(destination_web_contents,
+                                                  true);
+  ASSERT_EQ(destination_web_contents,
+            browser()->tab_strip_model()->GetWebContentsAt(1));
+
+  DistillAndView(source_web_contents, destination_web_contents);
+
+  // Wait until the destination WebContents has fully navigated.
+  base::RunLoop new_url_loaded_runner;
+  scoped_ptr<WebContentsMainFrameHelper> distilled_page_loaded(
+      new WebContentsMainFrameHelper(destination_web_contents,
+                                     new_url_loaded_runner.QuitClosure()));
+  new_url_loaded_runner.Run();
+
+  // Verify that the source WebContents is showing the original article.
+  EXPECT_EQ(article_url, source_web_contents->GetLastCommittedURL());
+  EXPECT_EQ("Test Page Title",
+            base::UTF16ToUTF8(source_web_contents->GetTitle()));
+
+  // Verify the destination WebContents is showing distilled content.
+  EXPECT_TRUE(destination_web_contents->GetLastCommittedURL().SchemeIs(
+      kDomDistillerScheme));
+  EXPECT_EQ("Test Page Title",
+            base::UTF16ToUTF8(destination_web_contents->GetTitle()));
+
+  content::WebContentsDestroyedWatcher destroyed_watcher(
+      destination_web_contents);
+  browser()->tab_strip_model()->CloseWebContentsAt(1, 0);
+  destroyed_watcher.Wait();
+}
+
 }  // namespace dom_distiller