Put Filter into namespace net.

net/base/gzip_filter_unittest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 <fstream>
 #include <iostream>
 
 #if defined(USE_SYSTEM_ZLIB)
 #include <zlib.h>
 #else
 #include "third_party/zlib/zlib.h"
@@ skipping 34 matching lines @@
 const char kGZipHeader[] = { '\037', '\213', '\010', '\000', '\000',
                              '\000', '\000', '\000', '\002', '\377' };
 
 enum EncodeMode {
   ENCODE_GZIP,      // Wrap the deflate with a GZip header.
   ENCODE_DEFLATE    // Raw deflate.
 };
 
 }  // namespace
 
+namespace net {
+
 // These tests use the path service, which uses autoreleased objects on the
 // Mac, so this needs to be a PlatformTest.
 class GZipUnitTest : public PlatformTest {
  protected:
   virtual void SetUp() {
     PlatformTest::SetUp();
 
     deflate_encode_buffer_ = NULL;
     gzip_encode_buffer_ = NULL;
 
@@ skipping 318 matching lines @@
   InitFilter(Filter::FILTER_TYPE_GZIP);
   char corrupt_decode_buffer[kDefaultBufferSize];
   int corrupt_decode_size = kDefaultBufferSize;
 
   int code = DecodeAllWithFilter(filter_.get(), corrupt_data, corrupt_data_len,
                                  corrupt_decode_buffer, &corrupt_decode_size);
 
   // Expect failures
   EXPECT_TRUE(code == Filter::FILTER_ERROR);
 }
+
+}  // namespace net