Make valgrind happy

components/feedback/feedback_uploader_unittest.cc

 // Copyright 2014 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 "components/feedback/feedback_uploader.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 25 matching lines @@
 
 }  // namespace
 
 namespace feedback {
 
 class FeedbackUploaderTest : public testing::Test {
  protected:
   FeedbackUploaderTest()
      : ui_thread_(content::BrowserThread::UI, &message_loop_),
        context_(new content::TestBrowserContext()),
+       prefs_(new TestingPrefServiceSimple()),
        dispatched_reports_count_(0),
        expected_reports_(0) {
-    user_prefs::UserPrefs::Set(context_.get(), new TestingPrefServiceSimple());
+    user_prefs::UserPrefs::Set(context_.get(), prefs_.get());
     FeedbackUploaderFactory::GetInstance()->SetTestingFactory(
         context_.get(), &CreateFeedbackUploaderService);
 
     uploader_ = FeedbackUploaderFactory::GetForBrowserContext(context_.get());
     uploader_->setup_for_test(
         base::Bind(&FeedbackUploaderTest::MockDispatchReport,
                    base::Unretained(this)),
         kRetryDelayForTest);
   }
 
@@ skipping 36 matching lines @@
     if (ProcessingComplete())
       return;
     run_loop_.reset(new base::RunLoop());
     run_loop_->Run();
   }
 
   base::MessageLoop message_loop_;
   scoped_ptr<base::RunLoop> run_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_ptr<content::TestBrowserContext> context_;
+  scoped_ptr<PrefService> prefs_;
 
   FeedbackUploader* uploader_;
 
   std::map<std::string, unsigned int> dispatched_reports_;
   size_t dispatched_reports_count_;
   size_t expected_reports_;
 };
 
 #if defined(OS_LINUX) || defined(OS_MACOSX)
 #define MAYBE_QueueMultiple QueueMultiple
@@ skipping 38 matching lines @@
 
   EXPECT_EQ(dispatched_reports_.size(), 5u);
   EXPECT_EQ(dispatched_reports_[kReportOne], 1u);
   EXPECT_EQ(dispatched_reports_[kReportTwo], 2u);
   EXPECT_EQ(dispatched_reports_[kReportThree], 2u);
   EXPECT_EQ(dispatched_reports_[kReportFour], 1u);
   EXPECT_EQ(dispatched_reports_[kReportFive], 1u);
 }
 
 }  // namespace feedback