Make the histograms for setting the default browser consistent

chrome/browser/shell_integration_win.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/browser/shell_integration.h"
 
 #include <windows.h>
 #include <shlwapi.h>
 #include <shobjidl.h>
 #include <propkey.h>  // Needs to come after shobjidl.h.
@@ skipping 621 matching lines @@
 
     shortcut = shortcut.Append(shortcut_name).Append(shortcut_name +
                                                      installer::kLnkExt);
     if (base::PathExists(shortcut))
       return shortcut;
   }
 
   return base::FilePath();
 }
 
-// static
-bool ShellIntegration::DefaultWebClientWorker::ShouldReportAttemptResults() {
-  return base::win::GetVersion() >= base::win::VERSION_WIN10 &&
-         IsSetAsDefaultAsynchronous();
-}
-
 bool ShellIntegration::DefaultBrowserWorker::InitializeSetAsDefault() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (!IsSetAsDefaultAsynchronous())
     return false;
 
   // On Windows 10+, there is no official way to prompt the user to set a
   // default browser. This is the workaround:
   // 1. Unregister the default browser.
   // 2. Open "How to make Chrome my default browser" link with openwith.exe.
@@ skipping 46 matching lines @@
 // static
 bool ShellIntegration::DefaultBrowserWorker::SetAsDefaultBrowserAsynchronous() {
   DCHECK(IsSetAsDefaultAsynchronous());
 
   ResetDefaultBrowser();
 
   base::CommandLine cmdline(base::FilePath(L"openwith.exe"));
   cmdline.AppendArgNative(StartupBrowserCreator::GetDefaultBrowserUrl());
   return base::LaunchProcess(cmdline, base::LaunchOptions()).IsValid();
 }