Scrub the vestigal breakpad crash dump attempts metrics code.

components/crash/content/app/crash_reporter_client.cc

Index: components/crash/content/app/crash_reporter_client.cc
diff --git a/components/crash/content/app/crash_reporter_client.cc b/components/crash/content/app/crash_reporter_client.cc
index a77713a4ea36c52020a5fb7f031b4a24dbec557f..efbd8103e654eac24b624544b980f6df1c3f84d5 100644
--- a/components/crash/content/app/crash_reporter_client.cc
+++ b/components/crash/content/app/crash_reporter_client.cc
@@ -77,16 +77,6 @@ bool CrashReporterClient::GetShouldDumpLargerDumps(bool is_per_user_install) {
 int CrashReporterClient::GetResultCodeRespawnFailed() {
   return 0;
 }
-
-void CrashReporterClient::InitBrowserCrashDumpsRegKey() {
-}
-
-void CrashReporterClient::RecordCrashDumpAttempt(bool is_real_crash) {
-}
-
-void CrashReporterClient::RecordCrashDumpAttemptResult(bool is_real_crash,
-                                                       bool succeeded) {
-}
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_IOS)