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

chrome/app/breakpad_mac.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_APP_BREAKPAD_MAC_H_
 #define CHROME_APP_BREAKPAD_MAC_H_
 #pragma once
 
 // This header defines the Chrome entry points for Breakpad integration.
 
 // Initializes Breakpad.
 void InitCrashReporter();
 
 // Give Breakpad a chance to store information about the current process.
 // Extra information requires a parsed command line, so call this after
 // CommandLine::Init has been called.
 void InitCrashProcessInfo();
 
 // Is Breakpad enabled?
 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_