Add support for using ICU with a data file instead of compiling the data in....

third_party/icu/icu.gyp

Index: third_party/icu/icu.gyp
===================================================================
--- third_party/icu/icu.gyp	(revision 69864)
+++ third_party/icu/icu.gyp	(working copy)
@@ -1,10 +1,11 @@
-# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# 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.
 
 {
   'variables': {
     'use_system_icu%': 0,
+    'icu_use_data_file%': 0,
   },
   'conditions': [
     ['use_system_icu==0', {
@@ -63,6 +64,29 @@
             [ 'chromeos != 1', {
               'sources!': ['cros/icudt42l_dat.s'],
             }],
+            [ 'OS != "win" and icu_use_data_file', {
+              # Remove any assembly data file.
+              'sources/': [['exclude', 'icudt42l_dat']],
+              # Compile in the stub data symbol.
+              'sources': ['source/stubdata/stubdata.c'],
+              # Make sure any binary depending on this gets the data file.
+              'link_settings': {
+                'target_conditions': [
+                  ['OS == "mac" and _mac_bundle', {
+                    'mac_bundle_resources': [
+                      'source/data/in/icudt42l.dat',
+                    ],
+                  }, {
+                    'copies': [{
+                      'destination': '<(PRODUCT_DIR)',
+                      'files': [
+                        'source/data/in/icudt42l.dat',
+                      ],
+                    }],
+                  }],
+                ],  # target_conditions
+              },  # link_settings
+            }],
             [ 'library == "shared_library"', {
               'defines': [
                 'PUBLIC_SYMBOL',