win: Add support for CPUTimes and StartTime to snapshot

snapshot/win/process_reader_win.cc

Index: snapshot/win/process_reader_win.cc
diff --git a/snapshot/win/process_reader_win.cc b/snapshot/win/process_reader_win.cc
index c0a3c56b454207a1b4669a3e2de9ae0ddba8a429..5a5c863a7d7e5099d08c2f56d5b99ec0a1a2ea4a 100644
--- a/snapshot/win/process_reader_win.cc
+++ b/snapshot/win/process_reader_win.cc
@@ -15,6 +15,7 @@
 #include "snapshot/win/process_reader_win.h"
 
 #include "base/numerics/safe_conversions.h"
+#include "util/win/time.h"
 
 namespace crashpad {
 
@@ -54,6 +55,28 @@ bool ProcessReaderWin::ReadMemory(WinVMAddress at,
   return true;
 }
 
+bool ProcessReaderWin::StartTime(timeval* start_time) const {
+  FILETIME creation, exit, kernel, user;
+  if (!GetProcessTimes(process_, &creation, &exit, &kernel, &user)) {
+    PLOG(ERROR) << "GetProcessTimes";
+    return false;
+  }
+  *start_time = FiletimeToTimevalEpoch(creation);
+  return true;
+}
+
+bool ProcessReaderWin::CPUTimes(timeval* user_time,
+                                timeval* system_time) const {
+  FILETIME creation, exit, kernel, user;
+  if (!GetProcessTimes(process_, &creation, &exit, &kernel, &user)) {
+    PLOG(ERROR) << "GetProcessTimes";
+    return false;
+  }
+  *user_time = FiletimeToTimevalAmount(user);
+  *system_time = FiletimeToTimevalAmount(kernel);
+  return true;
+}
+
 const std::vector<ProcessInfo::Module>& ProcessReaderWin::Modules() {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);