Move the thread hop for UMA user actions from content:: to base::.

chrome/browser/browser_process_impl_unittest.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 "chrome/browser/browser_process_impl.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
+#include "base/metrics/user_metrics.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/webui/ntp/ntp_resource_cache_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class BrowserProcessImplTest : public ::testing::Test {
  protected:
   BrowserProcessImplTest()
       : stashed_browser_process_(g_browser_process),
         loop_(base::MessageLoop::TYPE_UI),
         ui_thread_(content::BrowserThread::UI, &loop_),
         file_thread_(
             new content::TestBrowserThread(content::BrowserThread::FILE)),
         io_thread_(new content::TestBrowserThread(content::BrowserThread::IO)),
         command_line_(base::CommandLine::NO_PROGRAM),
         browser_process_impl_(
             new BrowserProcessImpl(base::ThreadTaskRunnerHandle::Get().get(),
                                    command_line_)) {
+    base::SetRecordActionTaskRunner(loop_.task_runner());
     browser_process_impl_->SetApplicationLocale("en");
   }
 
   ~BrowserProcessImplTest() override {
     g_browser_process = nullptr;
     browser_process_impl_.reset();
     // Restore the original browser process.
     g_browser_process = stashed_browser_process_;
   }
 
@@ skipping 50 matching lines @@
   // Pass ownership to the ProfileManager so that it manages the destruction.
   browser_process_impl()->profile_manager()->RegisterTestingProfile(
       profile.release(), false, false);
 
   // Tear down the BrowserProcessImpl and the threads.
   browser_process_impl()->StartTearDown();
   DestroySecondaryThreads();
   browser_process_impl()->PostDestroyThreads();
 }
 #endif  // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)