Disable partition allocation on iOS.

base/BUILD.gn

 # Copyright (c) 2013 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 1217 matching lines @@
   } else {
     # Remove NaCl stuff.
     sources -= [
       "memory/shared_memory_nacl.cc",
       "os_compat_nacl.cc",
       "os_compat_nacl.h",
       "rand_util_nacl.cc",
       "synchronization/read_write_lock_nacl.cc",
     ]
 
-    # Add stuff that doesn't work in NaCl.
-    sources += [
-      # PartitionAlloc uses SpinLock, which doesn't work in NaCl (see below).
-      "allocator/partition_allocator/address_space_randomization.cc",
-      "allocator/partition_allocator/address_space_randomization.h",
-      "allocator/partition_allocator/page_allocator.cc",
-      "allocator/partition_allocator/page_allocator.h",
-      "allocator/partition_allocator/partition_alloc.cc",
-      "allocator/partition_allocator/partition_alloc.h",
-    ]
+    if (!is_ios) {
+      # Add stuff that doesn't work in NaCl.
+      sources += [
+        # PartitionAlloc uses SpinLock, which doesn't work in NaCl (see below).
+        "allocator/partition_allocator/address_space_randomization.cc",
+        "allocator/partition_allocator/address_space_randomization.h",
+        "allocator/partition_allocator/page_allocator.cc",
+        "allocator/partition_allocator/page_allocator.h",
+        "allocator/partition_allocator/partition_alloc.cc",
+        "allocator/partition_allocator/partition_alloc.h",
+      ]
+    }
   }
 
   # SpinLock uses inline assembly that doesn't work on NaCl, and for which there
   # is no code for ARMv6.
   if (!is_nacl && (current_cpu != "arm" || arm_version >= 7)) {
     sources += [
       "synchronization/spin_lock.cc",
       "synchronization/spin_lock.h",
     ]
   }
@@ skipping 542 matching lines @@
     configs += [ "//build/config/compiler:enable_arc" ]
     deps = [
       ":base",
       "//testing/gtest",
     ]
   }
 }
 
 test("base_unittests") {
   sources = [
-    "allocator/partition_allocator/partition_alloc_unittest.cc",
     "allocator/tcmalloc_unittest.cc",
     "android/application_status_listener_unittest.cc",
     "android/content_uri_utils_unittest.cc",
     "android/jni_android_unittest.cc",
     "android/jni_array_unittest.cc",
     "android/jni_string_unittest.cc",
     "android/library_loader/library_prefetcher_unittest.cc",
     "android/path_utils_unittest.cc",
     "android/scoped_java_ref_unittest.cc",
     "android/sys_utils_unittest.cc",
@@ skipping 343 matching lines @@
     sources += [
       "mac/bind_objc_block_unittest.mm",
       "mac/foundation_util_unittest.mm",
       "mac/objc_property_releaser_unittest.mm",
       "mac/scoped_nsobject_unittest.mm",
       "strings/sys_string_conversions_mac_unittest.mm",
     ]
     set_sources_assignment_filter(sources_assignment_filter)
 
     # TODO(GYP): dep on copy_test_data_ios action.
+  } else {
+    sources += [ "allocator/partition_allocator/partition_alloc_unittest.cc" ]
   }
 
   if (is_mac) {
     libs = [
       "CoreFoundation.framework",
       "Foundation.framework",
     ]
   }
 
   if (is_linux) {
@@ skipping 370 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }