Update V8 in chromium to version 1.2.1....

build/all.gyp

 # 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': {
     'conditions': [
       ['OS!="win"', {
         'all_gyps%': 1,
       },{  # else OS=="win"
@@ skipping 26 matching lines @@
         '../third_party/libxslt/libxslt.gyp:*',
         '../third_party/modp_b64/modp_b64.gyp:*',
         '../third_party/npapi/npapi.gyp:*',
         '../third_party/sqlite/sqlite.gyp:*',
         '../third_party/zlib/zlib.gyp:*',
         'temp_gyp/googleurl.gyp:*',
       ],
       'conditions': [
         ['javascript_engine=="v8"', {
           'dependencies': [
-            'temp_gyp/v8.gyp:*',
+            '../v8/tools/gyp/v8.gyp:*',
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             '../third_party/harfbuzz/harfbuzz.gyp:*',
             '../tools/gtk_clipboard_dump/gtk_clipboard_dump.gyp:*',
           ],
         }],
         ['OS=="win"', {
           'dependencies': [
@@ skipping 12 matching lines @@
             '../chrome/chrome.gyp:*',
             '../webkit/tools/test_shell/test_shell.gyp:*',
             '../webkit/webkit.gyp:*',
           ],
         }],
       ],
     },
   ],
 }