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

snapshot/mac/mach_o_image_segment_reader.cc

Index: snapshot/mac/mach_o_image_segment_reader.cc
diff --git a/util/mac/mach_o_image_segment_reader.cc b/snapshot/mac/mach_o_image_segment_reader.cc
similarity index 96%
rename from util/mac/mach_o_image_segment_reader.cc
rename to snapshot/mac/mach_o_image_segment_reader.cc
index 58f850639676c3ece904e827d20024d856430052..697822296bacbeb427c15976ae55136cfb5c6efb 100644
--- a/util/mac/mach_o_image_segment_reader.cc
+++ b/snapshot/mac/mach_o_image_segment_reader.cc
@@ -12,14 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "util/mac/mach_o_image_segment_reader.h"
+#include "snapshot/mac/mach_o_image_segment_reader.h"
 
 #include <mach-o/loader.h>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
+#include "snapshot/mac/process_reader.h"
 #include "util/mac/checked_mach_address_range.h"
-#include "util/mac/process_reader.h"
 #include "util/stdlib/strnlen.h"
 
 namespace crashpad {
@@ -79,8 +79,9 @@ bool MachOImageSegmentReader::Initialize(ProcessReader* process_reader,
 
   // This checks the unslid segment range. The slid range (as loaded into
   // memory) will be checked later by MachOImageReader.
-  CheckedMachAddressRange segment_range(
-      process_reader, segment_command_.vmaddr, segment_command_.vmsize);
+  CheckedMachAddressRange segment_range(process_reader->Is64Bit(),
+                                        segment_command_.vmaddr,
+                                        segment_command_.vmsize);
   if (!segment_range.IsValid()) {
     LOG(WARNING) << base::StringPrintf("invalid segment range 0x%llx + 0x%llx",
                                        segment_command_.vmaddr,
@@ -120,7 +121,7 @@ bool MachOImageSegmentReader::Initialize(ProcessReader* process_reader,
     }
 
     CheckedMachAddressRange section_range(
-        process_reader, section.addr, section.size);
+        process_reader->Is64Bit(), section.addr, section.size);
     if (!section_range.IsValid()) {
       LOG(WARNING) << base::StringPrintf(
                           "invalid section range 0x%llx + 0x%llx",