C++11: Use type aliases instead of typedefs

snapshot/mac/mach_o_image_reader_test.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 25 matching lines @@
 // This file is responsible for testing MachOImageReader,
 // MachOImageSegmentReader, and MachOImageSymbolTableReader.
 
 namespace crashpad {
 namespace test {
 namespace {
 
 // Native types and constants, in cases where the 32-bit and 64-bit versions
 // are different.
 #if defined(ARCH_CPU_64_BITS)
-typedef mach_header_64 MachHeader;
+using MachHeader = mach_header_64;
 const uint32_t kMachMagic = MH_MAGIC_64;
-typedef segment_command_64 SegmentCommand;
+using SegmentCommand = segment_command_64;
 const uint32_t kSegmentCommand = LC_SEGMENT_64;
-typedef section_64 Section;
-typedef nlist_64 Nlist;
+using Section = section_64;
+using Nlist = nlist_64;
 #else
-typedef mach_header MachHeader;
+using MachHeader = mach_header;
 const uint32_t kMachMagic = MH_MAGIC;
-typedef segment_command SegmentCommand;
+using SegmentCommand = segment_command;
 const uint32_t kSegmentCommand = LC_SEGMENT;
-typedef section Section;
+using Section = section;
 
 // This needs to be called “struct nlist” because “nlist” without the struct
 // refers to the nlist() function.
-typedef struct nlist Nlist;
+using Nlist = struct nlist;
 #endif
 
 #if defined(ARCH_CPU_X86_64)
 const int kCPUType = CPU_TYPE_X86_64;
 #elif defined(ARCH_CPU_X86)
 const int kCPUType = CPU_TYPE_X86;
 #endif
 
 // Verifies that |expect_section| and |actual_section| agree.
 void ExpectSection(const Section* expect_section,
@@ skipping 559 matching lines @@
       image_reader.UUID(&actual_uuid);
       EXPECT_EQ(expected_uuid, actual_uuid);
     }
   }
 #endif
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad