Move zlib-interfacing code from third_party/ijar/zip.cc into a separate class. And add a dummy zlib client.
--
MOS_MIGRATED_REVID=133879880
diff --git a/third_party/ijar/dummy_zlib_client.cc b/third_party/ijar/dummy_zlib_client.cc
new file mode 100644
index 0000000..fe14987
--- /dev/null
+++ b/third_party/ijar/dummy_zlib_client.cc
@@ -0,0 +1,37 @@
+// Copyright 2016 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <algorithm>
+
+#include "third_party/ijar/common.h"
+#include "third_party/ijar/zlib_client.h"
+
+namespace devtools_ijar {
+
+u4 ComputeCrcChecksum(u1* buf, size_t length) { return 0; }
+
+size_t TryDeflate(u1* buf, size_t length) { return 0; }
+
+Decompressor::Decompressor() {}
+Decompressor::~Decompressor() {}
+
+DecompressedFile* Decompressor::UncompressFile(const u1* buffer,
+ size_t bytes_avail) {
+ return NULL;
+}
+
+char* Decompressor::GetError() { return NULL; }
+
+int Decompressor::error(const char* fmt, ...) { return 0; }
+} // namespace devtools_ijar
