Move internal zip code from zip.cc to zip_internal.cc

third_party/zlib/google/zip_reader.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 "third_party/zlib/google/zip_reader.h"
 
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 89 matching lines @@
   zip_file_ = internal::OpenHandleForUnzipping(zip_fd);
 #endif
   if (!zip_file_) {
     return false;
   }
 
   return OpenInternal();
 }
 
 bool ZipReader::OpenFromString(const std::string& data) {
-  zip_file_ = internal::PreprareMemoryForUnzipping(data);
+  zip_file_ = internal::PrepareMemoryForUnzipping(data);
   if (!zip_file_)
     return false;
   return OpenInternal();
 }
 
 void ZipReader::Close() {
   if (zip_file_) {
     unzClose(zip_file_);
   }
   Reset();
@@ skipping 283 matching lines @@
                    success_callback,
                    failure_callback,
                    progress_callback,
                    current_progress));
 
   }
 }
 
 
 }  // namespace zip