Don't call TestingBrowserProcess::CreateInstance() twice in metrics_reporting_handler_unittest

chrome/browser/ui/webui/settings/metrics_reporting_handler_unittest.cc

 // Copyright 2016 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.
 
 #if defined(GOOGLE_CHROME_BUILD) && !defined(OS_CHROMEOS)
 
 #include "chrome/browser/ui/webui/settings/metrics_reporting_handler.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 17 matching lines @@
 class TestingMetricsReportingHandler : public MetricsReportingHandler {
  public:
   using MetricsReportingHandler::set_web_ui;
   using MetricsReportingHandler::HandleGetMetricsReporting;
 };
 
 class MetricsReportingHandlerTest : public testing::Test {
  public:
   MetricsReportingHandlerTest() {
     // Local state must be set up before |handler_|.
-    TestingBrowserProcess::CreateInstance();
     local_state_.reset(new ScopedTestingLocalState(
         TestingBrowserProcess::GetGlobal()));
 
     handler_.reset(new TestingMetricsReportingHandler);
     handler_->set_web_ui(&test_web_ui_);
 
     EXPECT_CALL(provider_, IsInitializationComplete(testing::_)).WillRepeatedly(
         testing::Return(true));
     policy::BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
   }
@@ skipping 75 matching lines @@
              policy::POLICY_SOURCE_CLOUD,
              base::WrapUnique(new base::FundamentalValue(false)),
              nullptr);
   provider()->UpdateChromePolicy(*map());
   EXPECT_TRUE(test_web_ui()->call_data().empty());
 }
 
 }  // namespace settings
 
 #endif  // defined(GOOGLE_CHROME_BUILD) && !defined(OS_CHROMEOS)