Add experiments info to crash dumps.

chrome/common/child_process_logging_mac.mm

 // Copyright (c) 2012 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.
 
 #include "chrome/common/child_process_logging.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/command_line.h"
 #include "base/string_number_conversions.h"
@@ skipping 187 matching lines @@
     key_i++;
   }
 
   // Clear out any stale keys.
   for (; key_i < kMaxSwitches; ++key_i) {
     NSString* key = [NSString stringWithFormat:kSwitchKeyFormat, (key_i + 1)];
     ClearCrashKey(key);
   }
 }
 
+void InitExperimentList() {
+  // TODO(mad): Implement this.
+}
+
+void AddFieldTrialGroup(const std::string& field_trial_name,
+                        const std::string& group_name) {
+  // TODO(mad): Implement this.
+}
+
 void SetChannel(const std::string& channel) {
   // This should match the corresponding string in breakpad_win.cc.
   NSString* const kChannelKey = @"channel";
 
   SetCrashKeyValue(kChannelKey, base::SysUTF8ToNSString(channel));
 }
 
 }  // namespace child_process_logging