Remove CHROME_V8 #define and related javascript_engine gyp variable.

build/all.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
@@ skipping 33 matching lines @@
         '../third_party/libxslt/libxslt.gyp:*',
         '../third_party/lzma_sdk/lzma_sdk.gyp:*',
         '../third_party/mesa/mesa.gyp:*',
         '../third_party/modp_b64/modp_b64.gyp:*',
         '../third_party/npapi/npapi.gyp:*',
         '../third_party/ots/ots.gyp:*',
         '../third_party/qcms/qcms.gyp:*',
         '../third_party/sqlite/sqlite.gyp:*',
         '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:*',
         '../third_party/zlib/zlib.gyp:*',
+        '../v8/tools/gyp/v8.gyp:*',
         '../webkit/support/webkit_support.gyp:*',
         '../webkit/webkit.gyp:*',
         'util/build_util.gyp:*',
         'temp_gyp/googleurl.gyp:*',
         '<(libjpeg_gyp_path):*',
       ],
       'conditions': [
-        ['javascript_engine=="v8"', {
-          'dependencies': [
-            '../v8/tools/gyp/v8.gyp:*',
-          ],
-        }],
         ['OS=="mac" or OS=="linux"', {
           'dependencies': [
             '../third_party/yasm/yasm.gyp:*#host',
             '../cloud_print/virtual_driver/virtual_driver_posix.gyp:*',
            ],
         }],
         ['OS=="mac" or OS=="win"', {
           'dependencies': [
             '../third_party/nss/nss.gyp:*',
            ],
@@ skipping 501 matching lines @@
             '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_unittests',
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
             '../views/views.gyp:views_unittests',
             'temp_gyp/googleurl.gyp:googleurl_unittests',
           ],
         },
       ],  # targets
     }], # "chromeos==1"
   ], # conditions
 }