Remove MaxSharedMemorySize() function from SysInfo

services/shell/public/cpp/lib/initialize_base_and_icu.cc

 // Copyright 2015 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.
 
 // This file declares a raw symbol and should be included only once in a
 // certain binary target. This needs to be run before we raise the sandbox,
 // which means that it can't use mojo. Our runners will dig around in the
 // symbol table and run this before the mojo system is initialized.
 
 #include <stdint.h>
@@ skipping 13 matching lines @@
 extern "C" {
 #if defined(WIN32)
 __declspec(dllexport) void __cdecl
 #else
 void __attribute__((visibility("default")))
 #endif
 InitializeBase(const uint8_t* icu_data) {
   base::RandUint64();
   base::SysInfo::AmountOfPhysicalMemory();
   base::SysInfo::NumberOfProcessors();
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
-  base::SysInfo::MaxSharedMemorySize();
-#endif
 
 #if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
   // Initialize core ICU. We must perform the full initialization before we
   // initialize icu::TimeZone subsystem because otherwise ICU gets in a state
   // where the timezone data is disconnected from the locale data which can
   // cause crashes.
   CHECK(base::i18n::InitializeICUFromRawMemory(icu_data));
 #endif  // ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
 
 #if !defined(OS_ANDROID)
   // ICU DateFormat class (used in base/time_format.cc) needs to get the
   // Olson timezone ID by accessing the zoneinfo files on disk. After
   // TimeZone::createDefault is called once here, the timezone ID is
   // cached and there's no more need to access the file system.
   std::unique_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
 #endif
 }
 }