Ensure tests have an active task runner

chrome/browser/download/download_request_limiter_unittest.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/download/download_request_limiter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "chrome/browser/download/download_permission_request.h"
@@ skipping 48 matching lines @@
 class DownloadRequestLimiterTest : public ChromeRenderViewHostTestHarness {
  public:
   enum TestingAction {
     ACCEPT,
     CANCEL,
     WAIT
   };
 
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
+    profile_.reset(new TestingProfile());
     InfoBarService::CreateForWebContents(web_contents());
 
     PermissionBubbleManager::CreateForWebContents(web_contents());
     view_.reset(new FakePermissionBubbleView(this));
     PermissionBubbleManager::FromWebContents(web_contents())->
         SetView(view_.get());
 
     testing_action_ = ACCEPT;
     ask_allow_count_ = cancel_count_ = continue_count_ = 0;
     download_request_limiter_ = new DownloadRequestLimiter();
     fake_create_callback_ = base::Bind(
         &DownloadRequestLimiterTest::FakeCreate, base::Unretained(this));
     DownloadRequestInfoBarDelegate::SetCallbackForTesting(
         &fake_create_callback_);
-    content_settings_ = new HostContentSettingsMap(profile_.GetPrefs(), false);
+    content_settings_ = new HostContentSettingsMap(profile_->GetPrefs(), false);
     DownloadRequestLimiter::SetContentSettingsForTesting(
         content_settings_.get());
   }
 
   int GetAction() {
     return testing_action_;
   }
 
   void AskAllow() {
     ask_allow_count_++;
@@ skipping 97 matching lines @@
   // Number of times CancelDownload was invoked.
   int cancel_count_;
 
   // Number of times ShouldAllowDownload was invoked.
   int ask_allow_count_;
 
   scoped_refptr<HostContentSettingsMap> content_settings_;
 
  private:
   DownloadRequestInfoBarDelegate::FakeCreateCallback fake_create_callback_;
-  TestingProfile profile_;
+  scoped_ptr<TestingProfile> profile_;
   scoped_ptr<FakePermissionBubbleView> view_;
 };
 
 void FakePermissionBubbleView::Show(
     const std::vector<PermissionBubbleRequest*>& requests,
     const std::vector<bool>& accept_state) {
   test_->AskAllow();
   int action = test_->GetAction();
   if (action == DownloadRequestLimiterTest::ACCEPT) {
     delegate_->Accept();
@@ skipping 287 matching lines @@
 
   CanDownload();
   ExpectAndResetCounts(0, 1, 0, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 }
 
 INSTANTIATE_TEST_CASE_P(DownloadRequestLimiterTestsWithAndWithoutBubbles,
                         DownloadRequestLimiterParamTests,
                         ::testing::Values(false, true));