Allow exception forwarding to the system’s native crash reporter to be disabled

snapshot/mac/module_snapshot_mac.cc

Index: snapshot/mac/module_snapshot_mac.cc
diff --git a/snapshot/mac/module_snapshot_mac.cc b/snapshot/mac/module_snapshot_mac.cc
index ddbb6a00b9cb88fca15f6048b88f0b03d5317d43..da4ad34afdf03c99fb2a3805e281e23233178002 100644
--- a/snapshot/mac/module_snapshot_mac.cc
+++ b/snapshot/mac/module_snapshot_mac.cc
@@ -55,6 +55,37 @@ bool ModuleSnapshotMac::Initialize(
   return true;
 }
 
+void ModuleSnapshotMac::GetCrashpadOptions(
+    CrashpadInfo::TriState* enable_crashpad_handler,
+    CrashpadInfo::TriState* enable_native_crash_reporter_forwarding) {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  MachOImageAnnotationsReader annotations_reader(
+      process_reader_, mach_o_image_reader_, name_);
+
+  process_types::CrashpadInfo crashpad_info;
+  if (!annotations_reader.GetCrashpadInfo(&crashpad_info)) {
+    *enable_crashpad_handler = CrashpadInfo::kDefault;
+    *enable_native_crash_reporter_forwarding = CrashpadInfo::kDefault;
+    return;
+  }
+
+  int value = crashpad_info.options & 0x3;

[Robert Sesek, 2015/03/10 23:03:04]

Yeah, this should be an enum with constants.

+  if (value == 3) {
+    LOG(WARNING) << "unknown value 3 for enable_crashpad_handler";
+    value = CrashpadInfo::kDefault;
+  }
+  *enable_crashpad_handler = static_cast<CrashpadInfo::TriState>(value);
+
+  value = (crashpad_info.options >> 2) & 0x3;
+  if (value == 3) {
+    LOG(WARNING)
+        << "unknown value 3 for enable_native_crash_reporter_forwarding";
+    value = CrashpadInfo::kDefault;
+  }
+  *enable_native_crash_reporter_forwarding =
+      static_cast<CrashpadInfo::TriState>(value);
+}
+
 std::string ModuleSnapshotMac::Name() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   return name_;