Add 64-bit Pepper Flash for Mac

third_party/adobe/flash/flash_player.gyp

 # Copyright (c) 2012 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': {
     'flapper_version_h_file%': 'flapper_version.h',
     'flapper_binary_files%': [],
     'conditions': [
       [ 'branding == "Chrome"', {
         'conditions': [
           [ 'OS == "linux" and target_arch == "ia32"', {
             'flapper_version_h_file%': 'symbols/ppapi/linux/flapper_version.h',
             'flapper_binary_files%': [
               'binaries/ppapi/linux/libpepflashplayer.so',
               'binaries/ppapi/linux/manifest.json',
             ],
           }],
           [ 'OS == "linux" and target_arch == "x64"', {
             'flapper_version_h_file%': 'symbols/ppapi/linux_x64/flapper_version.h',
             'flapper_binary_files%': [
               'binaries/ppapi/linux_x64/libpepflashplayer.so',
               'binaries/ppapi/linux_x64/manifest.json',
             ],
           }],
-          [ 'OS == "mac"', {
+          [ 'OS == "mac" and target_arch == "ia32"', {
             'flapper_version_h_file%': 'symbols/ppapi/mac/flapper_version.h',
             'flapper_binary_files%': [
               'binaries/ppapi/mac/PepperFlashPlayer.plugin',
               'binaries/ppapi/mac/manifest.json',
             ],
           }],
+          [ 'OS == "mac" and target_arch == "x64"', {
+            'flapper_version_h_file%': 'symbols/ppapi/mac_64/flapper_version.h',
+            'flapper_binary_files%': [
+              'binaries/ppapi/mac_64/PepperFlashPlayer.plugin',
+              'binaries/ppapi/mac_64/manifest.json',
+            ],
+          }],
           [ 'OS == "win"', {
             'flapper_version_h_file%': 'symbols/ppapi/win/flapper_version.h',
             'flapper_binary_files%': [
               'binaries/ppapi/win/pepflashplayer.dll',
               'binaries/ppapi/win/manifest.json',
             ],
           }],
         ],
       }],
     ],
@@ skipping 12 matching lines @@
     {
       'target_name': 'flapper_binaries',
       'type': 'none',
       'copies': [{
         'destination': '<(PRODUCT_DIR)/PepperFlash',
         'files': [ '<@(flapper_binary_files)' ],
       }],
     },
   ],
 }