Add idl definition for PersistentSettingLogtraceEnable getter and set…

…ter (#3084)

Add idl definition for PersistentSettingLogtraceEnable getter and
setter. Tested with devtools on Cobalt on linux.

b/334122726

Change-Id: I22a881f99af3c05eadc251881cf167d3e0934c0e
(cherry picked from commit eda5bd8)

cobalt/h5vcc/h5vcc_crash_log.cc

@@ -176,6 +176,17 @@ void H5vccCrashLog::SetPersistentSettingWatchdogCrash(bool can_trigger_crash) {
   if (watchdog) watchdog->SetPersistentSettingWatchdogCrash(can_trigger_crash);
 }
 
+bool H5vccCrashLog::GetPersistentSettingLogtraceEnable() {
+  watchdog::Watchdog* watchdog = watchdog::Watchdog::GetInstance();
+  if (watchdog) return watchdog->GetPersistentSettingLogtraceEnable();
+  return false;
+}
+
+void H5vccCrashLog::SetPersistentSettingLogtraceEnable(bool enable_logtrace) {
+  watchdog::Watchdog* watchdog = watchdog::Watchdog::GetInstance();
+  if (watchdog) watchdog->SetPersistentSettingLogtraceEnable(enable_logtrace);
+}
+
 bool H5vccCrashLog::LogEvent(const std::string& event) {
   watchdog::Watchdog* watchdog = watchdog::Watchdog::GetInstance();
   if (!watchdog) {

cobalt/h5vcc/h5vcc_crash_log.h

@@ -60,6 +60,10 @@ class H5vccCrashLog : public script::Wrappable {
 
   void SetPersistentSettingWatchdogCrash(bool can_trigger_crash);
 
+  bool GetPersistentSettingLogtraceEnable();
+
+  void SetPersistentSettingLogtraceEnable(bool enable_logtrace);
+
   bool LogEvent(const std::string& event);
 
   script::Sequence<std::string> GetLogTrace();

cobalt/h5vcc/h5vcc_crash_log.idl

@@ -109,6 +109,14 @@ interface H5vccCrashLog {
   // Watchdog violation will trigger a crash.
   void setPersistentSettingWatchdogCrash(boolean can_trigger_crash);
 
+  // Gets a persistent setting that determines whether or not
+  // events emitted by logEvent() are saved in Cobalt buffer.
+  boolean getPersistentSettingLogtraceEnable();
+
+  // Sets a persistent setting that determines whether or not
+  // events emitted by logEvent() are saved in Cobalt buffer.
+  void setPersistentSettingLogtraceEnable(boolean enable_logtrace);
+
   // Appends a string event to a ring buffer. These log events can be appended
   // from JS code. When watchdog violation is created, a snapshot of
   // that buffer is attached to a violation. Identical sequential events