Roll breakpad to r897 to eliminate UnspecifiedStackSignature crash dumps.

breakpad/breakpad.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     'breakpad_sender.gypi',
     'breakpad_handler.gypi',
   ],
   'conditions': [
@@ skipping 264 matching lines @@
                 'src/common/dwarf_line_to_module.cc',
                 'src/common/dwarf_line_to_module.h',
                 'src/common/language.cc',
                 'src/common/language.h',
                 'src/common/linux/dump_symbols.cc',
                 'src/common/linux/dump_symbols.h',
                 'src/common/linux/elf_symbols_to_module.cc',
                 'src/common/linux/elf_symbols_to_module.h',
                 'src/common/linux/file_id.cc',
                 'src/common/linux/file_id.h',
+                'src/common/linux/memory_mapped_file.cc',
+                'src/common/linux/memory_mapped_file.h',
                 'src/common/linux/guid_creator.h',
                 'src/common/module.cc',
                 'src/common/module.h',
                 'src/common/stabs_reader.cc',
                 'src/common/stabs_reader.h',
                 'src/common/stabs_to_module.cc',
                 'src/common/stabs_to_module.h',
                 'src/tools/linux/dump_syms/dump_syms.cc',
               ],
 
@@ skipping 34 matching lines @@
             'src/common/convert_UTF.h',
             'src/common/linux/file_id.cc',
             'src/common/linux/file_id.h',
             'src/common/linux/google_crashdump_uploader.cc',
             'src/common/linux/google_crashdump_uploader.h',
             'src/common/linux/guid_creator.cc',
             'src/common/linux/guid_creator.h',
             'src/common/linux/libcurl_wrapper.cc',
             'src/common/linux/libcurl_wrapper.h',
             'src/common/linux/linux_libc_support.h',
+            'src/common/linux/memory_mapped_file.cc',
+            'src/common/linux/memory_mapped_file.h',
+            'src/common/linux/safe_readlink.cc',
+            'src/common/linux/safe_readlink.h',
             'src/common/memory.h',
             'src/common/string_conversion.cc',
             'src/common/string_conversion.h',
           ],
 
           'conditions': [
             ['target_arch=="arm"', {
               'cflags': ['-Wa,-mimplicit-it=always'],
             }],
           ],
@@ skipping 85 matching lines @@
           ],
         },
         {
           'target_name': 'minidump-2-core',
           'type': 'executable',
 
           'sources': [
             'src/tools/linux/md2core/minidump-2-core.cc'
           ],
 
+          'dependencies': [
+            'breakpad_client',
+          ],
+
           'include_dirs': [
             '..',
             'src',
           ],
         },
       ],
     }],
   ],
 }