Add SHARED_DELETE flag to FileStream.

net/base/file_stream_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 "net/base/file_stream.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
@@ skipping 26 matching lines @@
 
 class FileStreamTest : public PlatformTest {
  public:
   virtual void SetUp() {
     PlatformTest::SetUp();
 
     file_util::CreateTemporaryFile(&temp_file_path_);
     file_util::WriteFile(temp_file_path_, kTestData, kTestDataSize);
   }
   virtual void TearDown() {
-    file_util::Delete(temp_file_path_, false);
+    EXPECT_TRUE(file_util::Delete(temp_file_path_, false));
 
     PlatformTest::TearDown();
   }
 
   const FilePath temp_file_path() const { return temp_file_path_; }
 
  private:
   FilePath temp_file_path_;
 };
 
@@ skipping 969 matching lines @@
   // complete. Should be safe.
   stream.reset();
   // open_callback won't be called.
   MessageLoop::current()->RunUntilIdle();
   EXPECT_FALSE(open_callback.have_result());
 }
 
 }  // namespace
 
 }  // namespace net