Remove skia_arch_width, fold into skia_arch_type.

gyp/common_variables.gypi

 # Copyright 2012 The Android Open Source Project
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   # Get ready for the ugly...
   #
   # - We have to nest our variables dictionaries multiple levels deep, so that
   #   this and other gyp files can rely on previously-set variable values in
@@ skipping 68 matching lines @@
         }, {
           'skia_os%': '<(skia_os)',
           'skia_chrome_utils%': 1,
           'skia_use_system_json%': 0,
         }],
         [ 'skia_os == "win"', {
           'os_posix%': 0,
         }, {
           'os_posix%': 1,
         }],
-        ['"64" in skia_arch_type', {
-          'skia_arch_width%': 64,
-        }, {
-          'skia_arch_width%': 32,
-        }],
         [ 'skia_os == "android"', {
           'skia_static_initializers%': 0,
           'skia_egl%': 1,
         }, {
           'skia_static_initializers%': 1,
         }],
         [ 'skia_os == "ios"', {
           'skia_arch_type%': 'arm',
           'arm_version%': 7,
           'arm_neon%': 0, # neon asm files known not to work with the ios build
@@ skipping 90 matching lines @@
     'skia_scalar%': '<(skia_scalar)',
     'skia_mesa%': '<(skia_mesa)',
     'skia_gpu_extra_dependency_path%': '<(skia_gpu_extra_dependency_path)',
     'skia_stroke_path_rendering%': '<(skia_stroke_path_rendering)',
     'skia_android_framework%': '<(skia_android_framework)',
     'skia_use_system_json%': '<(skia_use_system_json)',
     'skia_android_path_rendering%': '<(skia_android_path_rendering)',
     'skia_resource_cache_mb_limit%': '<(skia_resource_cache_mb_limit)',
     'skia_resource_cache_count_limit%': '<(skia_resource_cache_count_limit)',
     'skia_angle%': '<(skia_angle)',
-    'skia_arch_width%': '<(skia_arch_width)',
     'skia_arch_type%': '<(skia_arch_type)',
     'skia_chrome_utils%': '<(skia_chrome_utils)',
     'skia_gdi%': '<(skia_gdi)',
     'skia_gpu%': '<(skia_gpu)',
     'skia_win_exceptions%': 0,
     'skia_win_ltcg%': 1,
     'skia_osx_deployment_target%': '<(skia_osx_deployment_target)',
     'skia_profile_enabled%': '<(skia_profile_enabled)',
     'skia_shared_lib%': '<(skia_shared_lib)',
     'skia_opencl%': '<(skia_opencl)',
@@ skipping 14 matching lines @@
         '-ffast-math',           # Optimize float math even when it breaks IEEE compliance.
         #'-flto'                  # Enable link-time optimization.
     ],
 
     # These are referenced by our .gypi files that list files (e.g. core.gypi)
     #
     'skia_src_path%': '../src',
     'skia_include_path%': '../include',
   },
 }