Reland: Fix WebViewPlugin::scheduleAnimation crash

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 1101 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);
     command_line->AppendSwitch(switches::kEnablePepperTesting);
+    command_line->AppendSwitchASCII(
+        switches::kOverridePluginPowerSaverForTesting, "ignore-list");
 
     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());
@@ skipping 2940 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