[HBD] Only use Plugin Content Settings for Flash.

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <deque>
 #include <set>
 #include <string>
 #include <unordered_map>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/scoped_observer.h"
 #include "base/stl_util.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/test_timeouts.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 #include "chrome/browser/browsing_data/browsing_data_remover_factory.h"
 #include "chrome/browser/browsing_data/browsing_data_remover_test_util.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
@@ skipping 16 matching lines @@
 #include "chrome/browser/task_manager/mock_web_contents_task_manager.h"
 #include "chrome/browser/task_manager/providers/web_contents/web_contents_tags_manager.h"
 #include "chrome/browser/task_manager/task_manager_browsertest_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/location_bar/location_bar.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/favicon/content/content_favicon_driver.h"
 #include "components/favicon/core/favicon_driver_observer.h"
 #include "components/omnibox/browser/omnibox_edit_model.h"
 #include "components/omnibox/browser/omnibox_popup_model.h"
 #include "components/omnibox/browser/omnibox_view.h"
 #include "components/safe_browsing_db/database_manager.h"
 #include "components/safe_browsing_db/util.h"
 #include "components/variations/entropy_provider.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/resource_request_body.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
+#include "content/public/test/ppapi_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_urls.h"
 #include "extensions/common/manifest_handlers/mime_types_handler.h"
 #include "extensions/common/switches.h"
 #include "extensions/test/result_catcher.h"
 #include "net/base/escape.h"
 #include "net/cert/x509_certificate.h"
 #include "net/dns/mock_host_resolver.h"
@@ skipping 493 matching lines @@
       : call_javascript_(true),
         check_load_events_(true),
         loader_path_("/prerender/prerender_loader.html") {}
 
   ~PrerenderBrowserTest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     PrerenderInProcessBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(switches::kPrerenderMode,
                                     switches::kPrerenderModeSwitchValueEnabled);
+    ASSERT_TRUE(ppapi::RegisterPowerSaverTestPlugin(command_line));
   }
 
   void NavigateToDestURL() const {
     NavigateToDestURLWithDisposition(WindowOpenDisposition::CURRENT_TAB, true);
   }
 
   // Opens the url in a new tab, with no opener.
   void NavigateToDestURLWithDisposition(
       WindowOpenDisposition disposition,
       bool expect_swap_to_succeed) const {
@@ skipping 726 matching lines @@
 }
 
 // Checks that plugins are not loaded while a page is being preloaded, but
 // are loaded when the page is displayed.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderDelayLoadPlugin) {
   PrerenderTestURL("/prerender/prerender_plugin_delay_load.html",
                    FINAL_STATUS_USED, 1);
   NavigateToDestURL();
 }
 
-// For Content Setting DETECT, checks that plugins are not loaded while
+// TODO(tommycli): Remove once we implement PPS on ALLOW. crbug.com/649814

[xhwang, 2016/09/26 23:44:51]

What is PPS?

[tommycli, 2016/09/27 18:51:07]

Done.

+class PrerenderBrowserTestWithPluginPowerSaver : public PrerenderBrowserTest {
+ public:
+  PrerenderBrowserTestWithPluginPowerSaver() {}
+  ~PrerenderBrowserTestWithPluginPowerSaver() override {}
+
+  void SetUpInProcessBrowserTestFixture() override {
+    PrerenderBrowserTest::SetUpInProcessBrowserTestFixture();
+    feature_list.InitAndDisableFeature(features::kPreferHtmlOverPlugins);
+  }
+
+ private:
+  base::test::ScopedFeatureList feature_list;
+};
+
+// For Plugin Power Saver, checks that plugins are not loaded while
 // a page is being preloaded, but are loaded when the page is displayed.
-IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderContentSettingDetect) {
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTestWithPluginPowerSaver,
+                       PrerenderPluginPowerSaver) {
   HostContentSettingsMap* content_settings_map =
       HostContentSettingsMapFactory::GetForProfile(
           current_browser()->profile());
   content_settings_map->SetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_PLUGINS, CONTENT_SETTING_DETECT_IMPORTANT_CONTENT);
 
   PrerenderTestURL("/prerender/prerender_plugin_power_saver.html",
                    FINAL_STATUS_USED, 1);
 
   DisableJavascriptCalls();
@@ skipping 1995 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents();
   bool display_test_result = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(web_contents,
                                                    "DidDisplayReallyPass()",
                                                    &display_test_result));
   ASSERT_TRUE(display_test_result);
 }
 #endif  // !defined(DISABLE_NACL)
 
 }  // namespace prerender