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

chrome/browser/plugins/plugin_power_saver_browsertest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.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"
@@ skipping 22 matching lines @@
         GetActiveWebContents()->GetMainFrame()));
   }
 
   content::WebContents* GetActiveWebContents() {
     return browser()->tab_strip_model()->GetActiveWebContents();
   }
 
   bool IsPluginPeripheral(const char* element_id) {
     std::string script = base::StringPrintf(
         "var plugin = window.document.getElementById('%s');"
-        "function handleEvent() {"
+        "function handleEvent(event) {"
         "  if (event.data.isPeripheral != undefined &&"
-        "      event.data.source == 'getPeripheralStatusResponse') {"
+        "      event.data.source == 'getPowerSaverStatusResponse') {"
         "    window.domAutomationController.send("
         "        event.data.isPeripheral ? 'peripheral' : 'essential');"
         "    plugin.removeEventListener('message', handleEvent);"
         "  }"
         "}"
         "if (plugin == undefined ||"
         "    (plugin.nodeName != 'OBJECT' && plugin.nodeName != 'EMBED')) {"
         "  window.domAutomationController.send('error');"
         "} else if (plugin.postMessage == undefined) {"
         "  window.domAutomationController.send('peripheral');"
         "} else {"
         "  plugin.addEventListener('message', handleEvent);"
-        "  plugin.postMessage('getPeripheralStatus');"
+        "  plugin.postMessage('getPowerSaverStatus');"
         "}",
         element_id);
 
     std::string result;
     EXPECT_TRUE(content::ExecuteScriptAndExtractString(GetActiveWebContents(),
                                                        script, &result));
     EXPECT_NE("error", result);
     return result == "peripheral";
   }
 
   // This sends a simulated click at |point| and waits for test plugin to send
   // a status message indicating that it is essential. The test plugin sends a
   // status message during:
   //  - Plugin creation, to handle a plugin freshly created from a poster.
   //  - Peripheral status change.
-  //  - In response to the explicit 'getPeripheralStatus' request, in case the
+  //  - In response to the explicit 'getPowerSaverStatus' request, in case the
   //    test has missed the above two events.
   void SimulateClickAndAwaitMarkedEssential(const char* element_id,
                                             const gfx::Point& point) {
     content::SimulateMouseClickAt(GetActiveWebContents(), 0 /* modifiers */,
                                   blink::WebMouseEvent::ButtonLeft, point);
 
     std::string script = base::StringPrintf(
         "var plugin = window.document.getElementById('%s');"
-        "function handleEvent() {"
+        "function handleEvent(event) {"
         "  if (event.data.isPeripheral == false) {"
         "    window.domAutomationController.send('essential');"
         "    plugin.removeEventListener('message', handleEvent);"
         "  }"
         "}"
         "if (plugin == undefined ||"
         "    (plugin.nodeName != 'OBJECT' && plugin.nodeName != 'EMBED')) {"
         "  window.domAutomationController.send('error');"
         "} else {"
         "  plugin.addEventListener('message', handleEvent);"
         "  if (plugin.postMessage != undefined) {"
-        "    plugin.postMessage('getPeripheralStatus');"
+        "    plugin.postMessage('getPowerSaverStatus');"
         "  }"
         "}",
         element_id);
 
     std::string result;
     EXPECT_TRUE(content::ExecuteScriptAndExtractString(GetActiveWebContents(),
                                                        script, &result));
     EXPECT_EQ("essential", result);
   }
 };
@@ skipping 68 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, LargeCrossOriginObscured) {
   LoadHTML(
       "<div style='width: 100px; height: 100px; overflow: hidden;'>"
       "  <object id='plugin' data='http://otherorigin.com/fake.swf' "
       "  type='application/x-ppapi-tests' width='400' height='500'></object>"
       "</div>");
   EXPECT_TRUE(IsPluginPeripheral("plugin"));
 }