Plugin Power Saver: remove dead flags

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 <string>
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/stringprintf.h"
@@ skipping 250 matching lines @@
     InProcessBrowserTest::SetUpOnMainThread();
     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 
     embedded_test_server()->ServeFilesFromDirectory(
         ui_test_utils::GetTestFilePath(
             base::FilePath(FILE_PATH_LITERAL("plugin_power_saver")),
             base::FilePath()));
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitch(switches::kEnablePluginPowerSaver);
     command_line->AppendSwitch(switches::kEnablePepperTesting);
     command_line->AppendSwitch(switches::kEnablePluginPlaceholderTesting);
     command_line->AppendSwitchASCII(
         switches::kOverridePluginPowerSaverForTesting, "ignore-list");
 
     ASSERT_TRUE(ppapi::RegisterPowerSaverTestPlugin(command_line));
   }
 
  protected:
   void LoadHTML(const std::string& html) {
@@ skipping 313 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, ZoomIndependent) {
   ui_zoom::ZoomController::FromWebContents(GetActiveWebContents())
       ->SetZoomLevel(4.0);
   LoadHTML(
       "<object id='plugin' data='http://otherorigin.com/fake.swf' "
       "    type='application/x-ppapi-tests' width='400' height='200'>"
       "</object>");
   VerifyPluginIsThrottled(GetActiveWebContents(), "plugin");
 }