Replace implicit_cast usage with static_cast.

snapshot/mac/mach_o_image_reader.cc

 // 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,
@@ skipping 11 matching lines @@
 #include <vector>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "client/crashpad_info.h"
 #include "snapshot/mac/mach_o_image_segment_reader.h"
 #include "snapshot/mac/mach_o_image_symbol_table_reader.h"
 #include "snapshot/mac/process_reader.h"
 #include "util/mac/checked_mach_address_range.h"
+#include "util/misc/implicit_cast.h"
 
 namespace {
 
 const uint32_t kInvalidSegmentIndex = std::numeric_limits<uint32_t>::max();
 
 }  // namespace
 
 namespace crashpad {
 
 MachOImageReader::MachOImageReader()
@@ skipping 672 matching lines @@
                                  linkedit_segment,
                                  module_info_)) {
     symbol_table_.reset();
     return;
   }
 
   symbol_table_initialized_.set_valid();
 }
 
 }  // namespace crashpad