Make MetricsService upload logs through an interface.

chrome/browser/metrics/compression_utils_unittest.cc

 // Copyright 2013 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 <string>
 
 #include "base/base_paths.h"
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
-#include "chrome/browser/metrics/compression_utils.h"
 #include "chrome/common/chrome_paths.h"
+#include "components/metrics/net/compression_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 // The data to be compressed by gzip. This is the hex representation of "hello
 // world".
 const uint8 kData[] =
     {0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f,
      0x72, 0x6c, 0x64};
 
 // This is the string representation of gzip compressed string above. It was
 // obtained by running echo -n "hello world" | gzip -c | hexdump -e '8 1 ",
 // 0x%x"' followed by 0'ing out the OS byte (10th byte) in the header. This is
 // so that the test passes on all platforms (that run various OS'es).
 const uint8 kCompressedData[] =
     {0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0xcb, 0x48, 0xcd, 0xc9, 0xc9, 0x57, 0x28, 0xcf,
      0x2f, 0xca, 0x49, 0x01, 0x00, 0x85, 0x11, 0x4a, 0x0d,
      0x0b, 0x00, 0x00, 0x00};
 
 // Re-enable C4309.
 #if defined(OS_WIN)
 #pragma warning( default: 4309 )
 #endif
 
 TEST(CompressionUtilsTest, GzipCompression) {
   std::string data(reinterpret_cast<const char*>(kData), arraysize(kData));
   std::string compressed_data;
-  EXPECT_TRUE(chrome::GzipCompress(data, &compressed_data));
+  EXPECT_TRUE(metrics::GzipCompress(data, &compressed_data));
   std::string golden_compressed_data(
       reinterpret_cast<const char*>(kCompressedData),
       arraysize(kCompressedData));
   EXPECT_EQ(golden_compressed_data, compressed_data);
 }
 
 }  // namespace