[fsp] Remove weak pointers from loggers wherever possible.

chrome/browser/chromeos/file_system_provider/provided_file_system_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.
 
 // TODO(mtomasz): Move these test cases to operations/unmount_unittest.cc.
 
 #include <string>
 #include <vector>
 
 #include "base/files/file.h"
@@ skipping 39 matching lines @@
 
  private:
   std::string extension_id_;
   scoped_ptr<extensions::Event> event_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeEventRouter);
 };
 
 class EventLogger {
  public:
-  EventLogger() : weak_ptr_factory_(this) {}
+  EventLogger() {}
   virtual ~EventLogger() {}
 
   void OnStatusCallback(base::File::Error error) {
     error_.reset(new base::File::Error(error));
   }
 
   base::File::Error* error() { return error_.get(); }
 
-  base::WeakPtr<EventLogger> GetWeakPtr() {
-    return weak_ptr_factory_.GetWeakPtr();
-  }
-
  private:
   scoped_ptr<base::File::Error> error_;
-
-  base::WeakPtrFactory<EventLogger> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(EventLogger);
 };
 
 }  // namespace
 
 class FileSystemProviderProvidedFileSystemTest : public testing::Test {
  protected:
   FileSystemProviderProvidedFileSystemTest() {}
   virtual ~FileSystemProviderProvidedFileSystemTest() {}
 
@@ skipping 17 matching lines @@
   scoped_ptr<TestingProfile> profile_;
   scoped_ptr<FakeEventRouter> event_router_;
   scoped_ptr<ProvidedFileSystemInfo> file_system_info_;
   scoped_ptr<ProvidedFileSystemInterface> provided_file_system_;
 };
 
 TEST_F(FileSystemProviderProvidedFileSystemTest, RequestUnmount_Success) {
   EventLogger logger;
 
   provided_file_system_->RequestUnmount(
-      base::Bind(&EventLogger::OnStatusCallback, logger.GetWeakPtr()));
+      base::Bind(&EventLogger::OnStatusCallback, base::Unretained(logger)));
   base::RunLoop().RunUntilIdle();
 
   // Verify that the event has been sent to the providing extension.
   EXPECT_EQ(kExtensionId, event_router_->extension_id());
   const extensions::Event* event = event_router_->event();
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->event_args);
   base::ListValue* event_args = event->event_args.get();
   EXPECT_EQ(2u, event_args->GetSize());
   std::string file_system_id;
@@ skipping 18 matching lines @@
 
   // Callback should be called. Verify the error code.
   ASSERT_TRUE(logger.error());
   EXPECT_EQ(base::File::FILE_OK, *logger.error());
 }
 
 TEST_F(FileSystemProviderProvidedFileSystemTest, RequestUnmount_Error) {
   EventLogger logger;
 
   provided_file_system_->RequestUnmount(
-      base::Bind(&EventLogger::OnStatusCallback, logger.GetWeakPtr()));
+      base::Bind(&EventLogger::OnStatusCallback, base::Unretained(logger)));
   base::RunLoop().RunUntilIdle();
 
   // Verify that the event has been sent to the providing extension.
   EXPECT_EQ(kExtensionId, event_router_->extension_id());
   const extensions::Event* event = event_router_->event();
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->event_args);
   base::ListValue* event_args = event->event_args.get();
   EXPECT_EQ(2u, event_args->GetSize());
   std::string file_system_id;
@@ skipping 12 matching lines @@
       request_id, base::File::FILE_ERROR_NOT_FOUND);
   EXPECT_TRUE(reply_result);
 
   // Callback should be called. Verify the error code.
   ASSERT_TRUE(logger.error());
   EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, *logger.error());
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos