Update Crashpad to 4a2043ea65e2641ef1a921801c0aaa15ada02fc7

third_party/crashpad/crashpad/util/misc/metrics.h

Index: third_party/crashpad/crashpad/util/misc/metrics.h
diff --git a/third_party/crashpad/crashpad/util/misc/metrics.h b/third_party/crashpad/crashpad/util/misc/metrics.h
index fd2e120063a602c3668863fe137fb5ca106a6e77..b4bea9107d7a7d81a0f584e15bf8d9bf2df2af61 100644
--- a/third_party/crashpad/crashpad/util/misc/metrics.h
+++ b/third_party/crashpad/crashpad/util/misc/metrics.h
@@ -30,8 +30,10 @@ namespace crashpad {
 //! Chromium's base, they allow integration with its metrics system.
 class Metrics {
  public:
-  //! \brief Values for CrashReportPending(). These are used as metrics
-  //!     enumeration values, so new values should always be added at the end.
+  //! \brief Values for CrashReportPending().
+  //!
+  //! \note These are used as metrics enumeration values, so new values should
+  //!     always be added at the end, before PendingReportReason::kMaxValue.
   enum class PendingReportReason : int32_t {
     //! \brief A report was newly created and is ready for upload.
     kNewlyCreated = 0,
@@ -53,8 +55,10 @@ class Metrics {
   //! \brief Reports on a crash upload attempt, and if it succeeded.
   static void CrashUploadAttempted(bool successful);
 
-  //! \brief Values for CrashUploadSkipped(). These are used as metrics
-  //!     enumeration values, so new values should always be added at the end.
+  //! \brief Values for CrashUploadSkipped().
+  //!
+  //! \note These are used as metrics enumeration values, so new values should
+  //!     always be added at the end, before CrashSkippedReason::kMaxValue.
   enum class CrashSkippedReason : int32_t {
     //! \brief Crash uploading is disabled.
     kUploadsDisabled = 0,
@@ -81,8 +85,10 @@ class Metrics {
   //!     database, without the report being uploadad.
   static void CrashUploadSkipped(CrashSkippedReason reason);
 
-  //! \brief The result of capturing an exception. These are used as metrics
-  //!     enumeration values, so new values should always be added at the end.
+  //! \brief The result of capturing an exception.
+  //!
+  //! \note These are used as metrics enumeration values, so new values should
+  //!     always be added at the end, before CaptureResult::kMaxValue.
   enum class CaptureResult : int32_t {
     //! \brief The exception capture succeeded normally.
     kSuccess = 0,
@@ -130,6 +136,37 @@ class Metrics {
   //! \brief The exception handler server started capturing an exception.
   static void ExceptionEncountered();
 
+  //! \brief An important event in a handler process’ lifetime.
+  //!
+  //! \note These are used as metrics enumeration values, so new values should
+  //!     always be added at the end, before LifetimeMilestone::kMaxValue.
+  enum class LifetimeMilestone : int32_t {
+    //! \brief The handler process started.
+    kStarted = 0,
+
+    //! \brief The handler process exited normally and cleanly.
+    kExitedNormally,
+
+    //! \brief The handler process exited early, but was successful in
+    //!     performing some non-default action on user request.
+    kExitedEarly,
+
+    //! \brief The handler process exited with a failure code.
+    kFailed,
+
+    //! \brief The handler process was forcibly terminated.
+    kTerminated,
+
+    //! \brief The handler process crashed.
+    kCrashed,
+
+    //! \brief The number of values in this enumeration; not a valid value.
+    kMaxValue
+  };
+
+  //! \brief Records a handler start/exit/crash event.
+  static void HandlerLifetimeMilestone(LifetimeMilestone milestone);
+
   //! \brief The handler process crashed with the given exception code.
   //!
   //! This is currently only reported on Windows.