Update Gears to r3147, and fix scons build to match.

gears/SConscript.sqlite

 # Copyright (c) 2008 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.
 
 # Ripped and modded from chrome.
 
 Import('env')
 
 env = env.Clone(
 )
@@ skipping 24 matching lines @@
 #    ],
 
     CPPDEFINES = [
         'SQLITE_CORE',
         'SQLITE_ENABLE_FTS1',
         'SQLITE_ENABLE_BROKEN_FTS1',
         'SQLITE_ENABLE_FTS2',
         'SQLITE_ENABLE_BROKEN_FTS2',
         'THREADSAFE=1',
         'SQLITE_DEFAULT_FILE_PERMISSIONS=0600',
-        'SQLITE_OMIT_ATTACH=1',
         'SQLITE_OMIT_LOAD_EXTENSION=1',
-        'SQLITE_OMIT_VACUUM=1',
         'SQLITE_TRANSACTION_DEFAULT_IMMEDIATE=1',
+        'SQLITE_GEARS_DISABLE_SHELL_ICU',
     ],
 )
 
 if env['OS'] in ['win32', 'wince']:
   env.Append(
       CPPFLAGS = [
           # from Chrome
           '/TC',
           '/wd4800',
           '/wd4244',
@@ skipping 99 matching lines @@
     '$SQLITE_DIR/src/vdbefifo.c',
     '$SQLITE_DIR/src/vdbemem.c',
     '$SQLITE_DIR/src/vtab.c',
     '$SQLITE_DIR/src/where.c',
 ]
 
 if env['OS'] == 'symbian':
   input_files += ['os_symbian.cc']
 
 env.GearsStaticLibrary('sqlite-gears', input_files)