[components] Make zip a component so that src/chromeos can use it.

chrome/common/zip_internal.h

Index: chrome/common/zip_internal.h
diff --git a/chrome/common/zip_internal.h b/chrome/common/zip_internal.h
deleted file mode 100644
index c71f1a56d1a5a9401a1654a2316a3f5c2510d61c..0000000000000000000000000000000000000000
--- a/chrome/common/zip_internal.h
+++ /dev/null
@@ -1,62 +0,0 @@
-// 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.
-
-#ifndef CHROME_COMMON_ZIP_INTERNAL_H_
-#define CHROME_COMMON_ZIP_INTERNAL_H_
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
-#include <string>
-
-#if defined(USE_SYSTEM_MINIZIP)
-#include <minizip/unzip.h>
-#include <minizip/zip.h>
-#else
-#include "third_party/zlib/contrib/minizip/unzip.h"
-#include "third_party/zlib/contrib/minizip/zip.h"
-#endif
-
-// Utility functions and constants used internally for the zip file
-// library in the directory. Don't use them outside of the library.
-namespace zip {
-namespace internal {
-
-// Opens the given file name in UTF-8 for unzipping, with some setup for
-// Windows.
-unzFile OpenForUnzipping(const std::string& file_name_utf8);
-
-#if defined(OS_POSIX)
-// Opens the file referred to by |zip_fd| for unzipping.
-unzFile OpenFdForUnzipping(int zip_fd);
-#endif
-
-#if defined(OS_WIN)
-// Opens the file referred to by |zip_handle| for unzipping.
-unzFile OpenHandleForUnzipping(HANDLE zip_handle);
-#endif
-
-// Creates a custom unzFile object which reads data from the specified string.
-// This custom unzFile object overrides the I/O API functions of zlib so it can
-// read data from the specified string.
-unzFile PreprareMemoryForUnzipping(const std::string& data);
-
-// Opens the given file name in UTF-8 for zipping, with some setup for
-// Windows. |append_flag| will be passed to zipOpen2().
-zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag);
-
-#if defined(OS_POSIX)
-// Opens the file referred to by |zip_fd| for zipping. |append_flag| will be
-// passed to zipOpen2().
-zipFile OpenFdForZipping(int zip_fd, int append_flag);
-#endif
-
-const int kZipMaxPath = 256;
-const int kZipBufSize = 8192;
-
-}  // namespace internal
-}  // namespace zip
-
-#endif  // CHROME_COMMON_ZIP_INTERNAL_H_