Remove auto raw pointer deduction from non-linux specific code.

chrome/browser/mac/exception_processor.mm

 // Copyright 2016 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.
 
 #import "chrome/browser/mac/exception_processor.h"
 
 #include <dlfcn.h>
 #import <Foundation/Foundation.h>
 #include <libunwind.h>
 #include <objc/objc-exception.h>
@@ skipping 151 matching lines @@
           }
         }
 
         // This handler does not belong to us, so continue the search.
         continue;
       }
 
       // Check if the function is one that is known to obscure (by way of
       // catch-and-rethrow) exception stack traces. If it is, sinkhole it
       // by crashing here at the point of throw.
-      for (const auto& sinkhole : kExceptionSinkholes) {
+      for (auto* sinkhole : kExceptionSinkholes) {
         if (strcmp(sinkhole, proc_name) == 0) {
           TERMINATING_FROM_UNCAUGHT_NSEXCEPTION(exception);
         }
       }
 
       DVLOG(1) << "Stopping search for exception handler at " << proc_name;
 
       break;
     }
   }
@@ skipping 12 matching lines @@
   g_next_preprocessor =
       objc_setExceptionPreprocessor(&ObjcExceptionPreprocessor);
 }
 
 void UninstallObjcExceptionPreprocessor() {
   objc_setExceptionPreprocessor(g_next_preprocessor);
   g_next_preprocessor = nullptr;
 }
 
 }  // namespace chrome