Refactor Mac crash key reporting - move to base/mac/crash_logging.{h,mm}

chrome/app/breakpad_mac.h

Index: chrome/app/breakpad_mac.h
diff --git a/chrome/app/breakpad_mac.h b/chrome/app/breakpad_mac.h
index b5eb9e0faf9878b35d19525320910dfb158d86df..e5a9273d55cb8c8af7e7fed893baa7d442eb5877 100644
--- a/chrome/app/breakpad_mac.h
+++ b/chrome/app/breakpad_mac.h
@@ -22,28 +22,4 @@ bool IsCrashReporterEnabled();
 // Call on clean process shutdown.
 void DestructCrashReporter();
 
-#ifdef __OBJC__
-
-#include "base/memory/scoped_nsobject.h"
-
-@class NSString;
-
-// Set and clear meta information for Minidump.
-// IMPORTANT: On OS X, the key/value pairs are sent to the crash server
-// out of bounds and not recorded on disk in the minidump, this means
-// that if you look at the minidump file locally you won't see them!
-void SetCrashKeyValue(NSString* key, NSString* value);
-void ClearCrashKeyValue(NSString* key);
-
-class ScopedCrashKey {
- public:
-  ScopedCrashKey(NSString* key, NSString* value);
-  ~ScopedCrashKey();
-
- private:
-  scoped_nsobject<NSString> crash_key_;
-};
-
-#endif  // __OBJC__
-
 #endif  // CHROME_APP_BREAKPAD_MAC_H_