Create snapshot/mac and move some files from snapshot and util to there

snapshot/mac/mach_o_image_segment_reader.h

 // Copyright 2014 The Crashpad 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.
 
-#ifndef CRASHPAD_UTIL_MAC_MACH_O_IMAGE_SEGMENT_READER_H_
-#define CRASHPAD_UTIL_MAC_MACH_O_IMAGE_SEGMENT_READER_H_
+#ifndef CRASHPAD_SNAPSHOT_MAC_MACH_O_IMAGE_SEGMENT_READER_H_
+#define CRASHPAD_SNAPSHOT_MAC_MACH_O_IMAGE_SEGMENT_READER_H_
 
 #include <mach/mach.h>
 #include <stdint.h>
 #include <sys/types.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
-#include "util/mac/process_types.h"
+#include "snapshot/mac/process_types.h"
 #include "util/misc/initialization_state_dcheck.h"
 
 namespace crashpad {
 
 //! \brief A reader for `LC_SEGMENT` or `LC_SEGMENT_64` load commands in Mach-O
 //!     images mapped into another process.
 //!
 //! This class is capable of reading both `LC_SEGMENT` and `LC_SEGMENT_64` based
 //! on the bitness of the remote process.
 //!
@@ skipping 207 matching lines @@
   mach_vm_size_t slide_;
 
   InitializationStateDcheck initialized_;
   InitializationStateDcheck initialized_slide_;
 
   DISALLOW_COPY_AND_ASSIGN(MachOImageSegmentReader);
 };
 
 }  // namespace crashpad
 
-#endif  // CRASHPAD_UTIL_MAC_MACH_O_IMAGE_SEGMENT_READER_H_
+#endif  // CRASHPAD_SNAPSHOT_MAC_MACH_O_IMAGE_SEGMENT_READER_H_