Fix gyp condition to make 64bit just work

build/common.gypi

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
     # code, as opposed to external code.  This variable is used to control
     # such things as the set of warnings to enable, and whether warnings are
     # treated as errors.
@@ skipping 342 matching lines @@
           },
           'profile': {
             'cflags': ['-pg', '-g'],
             'ldflags': ['-pg'],
           },
           'symbols': {
             'cflags': ['-g'],
           },
         },
         'conditions': [
-          [ 'target_arch!="arm"', {
+          [ 'target_arch=="ia32"', {
             'asflags': [
               # Needed so that libs with .s files (e.g. libicudata.a)
               # are compatible with the general 32-bit-ness.
               '-32',
             ],
             # All floating-point computations on x87 happens in 80-bit
             # precision.  Because the C and C++ language standards allow
             # the compiler to keep the floating-point values in higher
             # precision than what's specified in the source and doing so
             # is more efficient than constantly rounding up to 64-bit or
@@ skipping 235 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }