Remove Kasko!

chrome/common/crash_keys.h

Index: chrome/common/crash_keys.h
diff --git a/chrome/common/crash_keys.h b/chrome/common/crash_keys.h
index 2b6106ced8e5b34a85462f6b03fccd0c4dd21401..bf6bbdcf8b93d2859c2b3f399b40568fcad2dc50 100644
--- a/chrome/common/crash_keys.h
+++ b/chrome/common/crash_keys.h
@@ -15,7 +15,6 @@
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "components/crash/core/common/crash_keys.h"
-#include "third_party/kasko/kasko_features.h"
 
 namespace base {
 class CommandLine;
@@ -148,12 +147,6 @@ extern const char kNSEvent[];
 }  // namespace mac
 #endif
 
-#if BUILDFLAG(ENABLE_KASKO)
-// Used to correlate a report sent via Kasko with one sent via Breakpad.
-extern const char kKaskoGuid[];
-extern const char kKaskoEquivalentGuid[];
-#endif
-
 // Numbers of active views.
 extern const char kViewCount[];