Make the policy fetch for first time login blocking

chrome/test/base/in_process_browser_test.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 "chrome/test/base/in_process_browser_test.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 94 matching lines @@
 void SingleDesktopTestObserver::OnBrowserAdded(Browser* browser) {
   CHECK(CalledOnValidThread());
   CHECK_EQ(browser->host_desktop_type(), allowed_desktop_);
 }
 
 }  // namespace
 
 InProcessBrowserTest::InProcessBrowserTest()
     : browser_(NULL),
       exit_when_last_browser_closes_(true),
+      open_about_blank_on_browser_launch_(true),
       multi_desktop_test_(false)
 #if defined(OS_MACOSX)
       , autorelease_pool_(NULL)
 #endif  // OS_MACOSX
     {
 #if defined(OS_MACOSX)
   // TODO(phajdan.jr): Make browser_tests self-contained on Mac, remove this.
   // Before we run the browser, we have to hack the path to the exe to match
   // what it would be if Chrome was running, because it is used to fork renderer
   // processes, on Linux at least (failure to do so will cause a browser_test to
@@ skipping 116 matching lines @@
   subprocess_path =
       subprocess_path.Append(chrome::kHelperProcessExecutablePath);
   command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
                                  subprocess_path);
 #endif
 
   // TODO(pkotwicz): Investigate if we can remove this switch.
   if (exit_when_last_browser_closes_)
     command_line->AppendSwitch(switches::kDisableZeroBrowsersOpenForTests);
 
-  if (command_line->GetArgs().empty())
+  if (open_about_blank_on_browser_launch_ && command_line->GetArgs().empty())
     command_line->AppendArg(url::kAboutBlankURL);
 }
 
 bool InProcessBrowserTest::CreateUserDataDirectory() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   base::FilePath user_data_dir =
       command_line->GetSwitchValuePath(switches::kUserDataDir);
   if (user_data_dir.empty()) {
     if (temp_user_data_dir_.CreateUniqueTempDir() &&
         temp_user_data_dir_.IsValid()) {
@@ skipping 210 matching lines @@
   // On the Mac, this eventually reaches
   // -[BrowserWindowController windowWillClose:], which will post a deferred
   // -autorelease on itself to ultimately destroy the Browser object. The line
   // below is necessary to pump these pending messages to ensure all Browsers
   // get deleted.
   content::RunAllPendingInMessageLoop();
   delete autorelease_pool_;
   autorelease_pool_ = NULL;
 #endif
 }