Update Crashpad to 18d70acf81df49cc10b00bcc67c1ec64e16bd9d0

third_party/crashpad/crashpad/util/util.gyp

Index: third_party/crashpad/crashpad/util/util.gyp
diff --git a/third_party/crashpad/crashpad/util/util.gyp b/third_party/crashpad/crashpad/util/util.gyp
index 9e57b44227758987cba347d984d6736ffcfe7a6f..f1f004c743e70a1b4aac0264d6958ebd69c06951 100644
--- a/third_party/crashpad/crashpad/util/util.gyp
+++ b/third_party/crashpad/crashpad/util/util.gyp
@@ -119,6 +119,7 @@
         'net/http_multipart_builder.h',
         'net/http_transport.cc',
         'net/http_transport.h',
+        'net/http_transport_libcurl.cc',
         'net/http_transport_mac.mm',
         'net/http_transport_win.cc',
         'numeric/checked_address_range.cc',
@@ -300,6 +301,17 @@
             'win/capture_context.asm',
           ],
         }],
+        ['OS=="linux"', {
+          'link_settings': {
+            'libraries': [
+              '-lcurl',
+            ],
+          },
+        }, {  # else: OS!="linux"
+          'sources!': [
+            'net/http_transport_libcurl.cc',
+          ],
+        }],
       ],
     },
   ],