Move Partition Allocator into Chromium base.

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 1196 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).

[Primiano Tucci (use gerrit), 2016/11/28 12:06:50]

you are moving the partition_alloc_unittest.cc but I don't see it listed
anywhere in GN files.

[palmer, 2016/12/01 00:48:23]

Thanks, fixed.

+      "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",
+      "allocator/partition_allocator/partition_allocator.cc",
+      "allocator/partition_allocator/partition_allocator.h",
+      "allocator/partition_allocator/partitions.cc",
+      "allocator/partition_allocator/partitions.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 1285 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }