Now try and make -pie stick for 32-bit Linux too.

build/common.gypi

 # Copyright (c) 2011 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 127 matching lines @@
 
       # Configuration policy is enabled by default. Set to 0 to disable.
       'configuration_policy%': 1,
 
       # If this is set, the clang plugins used on the buildbot will be used.
       # Run tools/clang/scripts/update.sh to make sure they are compiled.
       # This causes 'clang_chrome_plugins_flags' to be set.
       # Has no effect if 'clang' is not set as well.
       'clang_use_chrome_plugins%': 0,
 
+      # Set to 1 compile with -fPIC cflag on linux. This is a must for shared
+      # libraries on linux x86-64 and arm, plus ASLR.
+      'linux_fpic%': 1,
+
       'conditions': [
         # Use Skia as WebKit renderer on Mac
         ['OS=="mac"', {
           'use_skia%': 0,
         }, {
           'use_skia%': 1,
         }],
 
         # A flag for POSIX platforms
         ['OS=="win"', {
@@ skipping 14 matching lines @@
         # A flag to enable or disable our compile-time dependency
         # on gnome-keyring. If that dependency is disabled, no gnome-keyring
         # support will be available. This option is useful
         # for Linux distributions.
         ['chromeos==1', {
           'use_gnome_keyring%': 0,
         }, {
           'use_gnome_keyring%': 1,
         }],
 
-        # Set to 1 compile with -fPIC cflag on linux. This is a must for shared
-        # libraries on linux x86-64 and arm.
-        ['host_arch=="ia32"', {
-          'linux_fpic%': 0,
-        }, {
-          'linux_fpic%': 1,
-        }],
-
         ['toolkit_views==0 or OS=="mac"', {
           # GTK+ and Mac wants Title Case strings
           'use_titlecase_in_grd_files%': 1,
         }],
 
         # Enable some hacks to support Flapper only on Chrome OS.
         ['chromeos==1', {
           'enable_flapper_hacks%': 1,
         }, {
           'enable_flapper_hacks%': 0,
@@ skipping 1576 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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