Define the Settings interface for a CrashReportDatabase and provide a Mac implementation.

client/crash_report_database_win.cc

Index: client/crash_report_database_win.cc
diff --git a/client/crash_report_database_win.cc b/client/crash_report_database_win.cc
index 630adb1036574dd6762d5987c282faab03357d10..34ae79b3d64b0028f584a0894965b5e53a83347e 100644
--- a/client/crash_report_database_win.cc
+++ b/client/crash_report_database_win.cc
@@ -524,6 +524,7 @@ class CrashReportDatabaseWin : public CrashReportDatabase {
   bool Initialize();
 
   // CrashReportDatabase:
+  Settings* GetSettings() override;
   OperationStatus PrepareNewCrashReport(NewReport** report) override;
   OperationStatus FinishedWritingCrashReport(NewReport* report,
                                              UUID* uuid) override;
@@ -567,6 +568,10 @@ bool CrashReportDatabaseWin::Initialize() {
   return true;
 }
 
+Settings* CrashReportDatabaseWin::GetSettings() {
+  return nullptr;

[Mark Mentovai, 2015/03/09 19:12:35]

Put a comment referencing bug 13 and call NOTREACHED() before returning.

[Robert Sesek, 2015/03/09 21:16:27]

Done.

+}
+
 OperationStatus CrashReportDatabaseWin::PrepareNewCrashReport(
     NewReport** report) {
   ::UUID system_uuid;