Update Crashpad to 54048cfd78af0a54cf4a2d2ecfb83881f5c54590

6d829e9af7d7 Create WorkerThread, an abstraction to perform some work on
             an interval
5e244711888b Fix build break after 6d829e9af7d7
18a294130552 Create the PruneCrashReportsThread in the handler
c46a676624cf Use std::move() in PruneCrashReportThread
6d2d31d2d137 Use base/macros.h instead of base/basictypes.h
b7e4564ff219 Update mini_chromium to a43fee120b10
54048cfd78af Don’t suppress_wildcard crashpad.gyp:All on platforms where
             it works

Review URL: https://codereview.chromium.org/1568553002

Cr-Original-Commit-Position: refs/heads/master@{#367899}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: b25d2d936da7620ff44ce4a2952f38402efad685

secondary/third_party/crashpad/OWNERS

@@ -0,0 +1,3 @@
+mark@chromium.org
+rsesek@chromium.org
+scottmg@chromium.org

secondary/third_party/crashpad/crashpad/handler/BUILD.gn

@@ -12,6 +12,8 @@ source_set("handler_lib") {
     "mac/crash_report_exception_handler.h",
     "mac/exception_handler_server.cc",
     "mac/exception_handler_server.h",
+    "prune_crash_reports_thread.cc",
+    "prune_crash_reports_thread.h",
     "win/crash_report_exception_handler.cc",
     "win/crash_report_exception_handler.h",
   ]

secondary/third_party/crashpad/crashpad/util/BUILD.gn

@@ -126,6 +126,8 @@ source_set("util") {
     "thread/thread_log_messages.h",
     "thread/thread_posix.cc",
     "thread/thread_win.cc",
+    "thread/worker_thread.cc",
+    "thread/worker_thread.h",
     "win/address_types.h",
     "win/capture_context.asm",
     "win/capture_context.h",