Mostly-boilerplate to add MemoryMapSnapshot

snapshot/minidump/process_snapshot_minidump.cc

Index: snapshot/minidump/process_snapshot_minidump.cc
diff --git a/snapshot/minidump/process_snapshot_minidump.cc b/snapshot/minidump/process_snapshot_minidump.cc
index 0ad0d1449d681a8ea9cc96dcaabc6e4c249df5f4..d07274f3acfe5098447245803b4a9ee510b62cf0 100644
--- a/snapshot/minidump/process_snapshot_minidump.cc
+++ b/snapshot/minidump/process_snapshot_minidump.cc
@@ -177,6 +177,13 @@ const ExceptionSnapshot* ProcessSnapshotMinidump::Exception() const {
   return nullptr;
 }
 
+std::vector<const MemoryMapRegionSnapshot*> ProcessSnapshotMinidump::MemoryMap()
+    const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  NOTREACHED();  // https://code.google.com/p/crashpad/issues/detail?id=10
+  return std::vector<const MemoryMapRegionSnapshot*>();
+}
+
 std::vector<const MemorySnapshot*> ProcessSnapshotMinidump::ExtraMemory()
     const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);