Ensure that the base::debug crash key functions can be used from chrome.exe.

components/crash/app/breakpad_win.cc

Index: components/crash/app/breakpad_win.cc
diff --git a/components/crash/app/breakpad_win.cc b/components/crash/app/breakpad_win.cc
index 528ea50ae7633b4d934be08cb7753a2f6f10991d..38020f447dc1341041bb3cce0d77907b49a389c9 100644
--- a/components/crash/app/breakpad_win.cc
+++ b/components/crash/app/breakpad_win.cc
@@ -281,6 +281,20 @@ long WINAPI ServiceExceptionFilter(EXCEPTION_POINTERS* info) {
   return EXCEPTION_EXECUTE_HANDLER;
 }
 
+// Installed via base::debug::SetCrashKeyReportingFunctions.
+void SetCrashKeyValueForBaseDebug(const base::StringPiece& key,
+                                  const base::StringPiece& value) {
+  DCHECK(CrashKeysWin::keeper());
+  CrashKeysWin::keeper()->SetCrashKeyValue(base::UTF8ToUTF16(key),
+                                           base::UTF8ToUTF16(value));
+}
+
+// Installed via base::debug::SetCrashKeyReportingFunctions.
+void ClearCrashKeyForBaseDebug(const base::StringPiece& key) {
+  DCHECK(CrashKeysWin::keeper());
+  CrashKeysWin::keeper()->ClearCrashKeyValue(base::UTF8ToUTF16(key));
+}
+
 }  // namespace
 
 // NOTE: This function is used by SyzyASAN to annotate crash reports. If you
@@ -527,6 +541,9 @@ void InitCrashReporter(const std::string& process_type_switch) {
                             base::CommandLine::ForCurrentProcess(),
                             GetCrashReporterClient());
 
+  base::debug::SetCrashKeyReportingFunctions(&SetCrashKeyValueForBaseDebug,
+                                             &ClearCrashKeyForBaseDebug);
+
   google_breakpad::ExceptionHandler::MinidumpCallback callback = NULL;
   LPTOP_LEVEL_EXCEPTION_FILTER default_filter = NULL;
   // We install the post-dump callback only for the browser and service