Plugin Power Saver: Make PPS work well with prerendered pages.

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 <deque>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 85 matching lines @@
 #include "net/cert/x509_certificate.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/ssl/client_cert_store.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/test/url_request/url_request_mock_http_job.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_job.h"
+#include "ppapi/shared_impl/ppapi_switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 using chrome_browser_net::NetworkPredictionOptions;
 using content::BrowserThread;
 using content::DevToolsAgentHost;
 using content::NavigationController;
 using content::OpenURLParams;
 using content::Referrer;
 using content::RenderFrameHost;
@@ skipping 985 matching lines @@
 
   void TearDownInProcessBrowserTestFixture() override {
 #if defined(FULL_SAFE_BROWSING)
     SafeBrowsingService::RegisterFactory(NULL);
 #endif
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitchASCII(switches::kPrerenderMode,
                                     switches::kPrerenderModeSwitchValueEnabled);
-    ASSERT_TRUE(ppapi::RegisterTestPlugin(command_line));
+    command_line->AppendSwitch(switches::kEnablePepperTesting);
+
+    ASSERT_TRUE(ppapi::RegisterPowerSaverTestPlugin(command_line));
   }
 
   void SetUpOnMainThread() override {
     current_browser()->profile()->GetPrefs()->SetBoolean(
         prefs::kPromptForDownload, false);
     IncreasePrerenderMemory();
     if (autostart_test_server_)
       ASSERT_TRUE(test_server()->Start());
     ChromeResourceDispatcherHostDelegate::
         SetExternalProtocolHandlerDelegateForTesting(
@@ skipping 839 matching lines @@
 // Javascript alert is called.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderAlertAfterOnload) {
   PrerenderTestURL("files/prerender/prerender_alert_after_onload.html",
                    FINAL_STATUS_JAVASCRIPT_ALERT,
                    1);
 }
 
 // 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("files/prerender/plugin_delay_load.html", FINAL_STATUS_USED,
-                   1);
+  PrerenderTestURL("files/prerender/prerender_plugin_delay_load.html",
+                   FINAL_STATUS_USED, 1);
   NavigateToDestURL();
 }
 
 // For Content Setting DETECT, 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) {
   HostContentSettingsMap* content_settings_map =
       current_browser()->profile()->GetHostContentSettingsMap();
   content_settings_map->SetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_PLUGINS, CONTENT_SETTING_DETECT_IMPORTANT_CONTENT);
 
-  PrerenderTestURL("files/prerender/plugin_delay_load.html", FINAL_STATUS_USED,
-                   1);
+  PrerenderTestURL("files/prerender/prerender_plugin_power_saver.html",
+                   FINAL_STATUS_USED, 1);
+
+  DisableJavascriptCalls();
   NavigateToDestURL();
+  bool second_placeholder_present = false;
+  ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
+      GetActiveWebContents(), "AwaitPluginPrerollAndPlaceholder();",
+      &second_placeholder_present));
+  EXPECT_TRUE(second_placeholder_present);
 }
 
 // For Content Setting BLOCK, checks that plugins are never loaded.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderContentSettingBlock) {
   HostContentSettingsMap* content_settings_map =
       current_browser()->profile()->GetHostContentSettingsMap();
   content_settings_map->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_PLUGINS,
                                                  CONTENT_SETTING_BLOCK);
 
-  PrerenderTestURL("files/prerender/plugin_never_load.html", FINAL_STATUS_USED,
-                   1);
+  PrerenderTestURL("files/prerender/prerender_plugin_never_load.html",
+                   FINAL_STATUS_USED, 1);
   NavigateToDestURL();
 }
 
 // Checks that we don't load a NaCl plugin when NaCl is disabled.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderNaClPluginDisabled) {
   PrerenderTestURL("files/prerender/prerender_plugin_nacl_disabled.html",
                    FINAL_STATUS_USED,
                    1);
   NavigateToDestURL();
 
@@ skipping 2045 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