Suppress deprecation warnings for OS X sandbox functions.

content/common/sandbox_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 "content/common/sandbox_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 136 matching lines @@
 
   for (const auto& kv : params_map_) {
     params.push_back(kv.first.c_str());
     params.push_back(kv.second.c_str());
   }
   // The parameters array must be null terminated.
   params.push_back(static_cast<const char*>(0));
 
   if (sandbox_init_with_parameters(profile_str_.c_str(), 0, params.data(),
                                    &error_internal)) {
     error->assign(error_internal);

[Nico, 2016/03/31 19:50:15]

Can you please add a somewhat detailed comment here why this suppression is
justified? I think this CL is ok, but I don't want unannotated instances of this
suppression in the code base.

+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     sandbox_free_error(error_internal);
+#pragma clang diagnostic pop
     return false;
   }
   return true;
 }
 
 // static
 bool Sandbox::QuotePlainString(const std::string& src_utf8, std::string* dst) {
   dst->clear();
 
   const char* src = src_utf8.c_str();
@@ skipping 355 matching lines @@
   if (HANDLE_EINTR(fcntl(fd.get(), F_GETPATH, canonical_path)) != 0) {
     DPLOG(FATAL) << "GetCanonicalSandboxPath() failed for: "
                  << path.value();
     return path;
   }
 
   return base::FilePath(canonical_path);
 }
 
 }  // namespace content