Remove kEnablePrintPreview now that the pdf plugin is part of Chromium.

chrome/browser/ui/webui/print_preview/print_preview_ui_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 "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/profiles/profile.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_dialogs.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
 
@@ skipping 12 matching lines @@
 // They must not have been running before since these bots didn't have the PDf
 // plugin.
 #if !defined(ADDRESS_SANITIZER)
 
 namespace {
 
 class PrintPreviewTest : public InProcessBrowserTest {
  public:
   PrintPreviewTest() {}
 
-#if !defined(GOOGLE_CHROME_BUILD)
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
-    command_line->AppendSwitch(switches::kEnablePrintPreview);
-  }
-#endif
-
   void Print() {
     content::TestNavigationObserver nav_observer(NULL);
     nav_observer.StartWatchingNewWebContents();
     chrome::ExecuteCommand(browser(), IDC_PRINT);
     nav_observer.Wait();
     nav_observer.StopWatchingNewWebContents();
   }
 };
 
 IN_PROC_BROWSER_TEST_F(PrintPreviewTest, PrintCommands) {
@@ skipping 142 matching lines @@
   // Navigate main tab to hide print preview.
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
 
   browser()->tab_strip_model()->ActivateTabAt(1, true);
 }
 #endif
 
 }  // namespace
 
 #endif