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

gears/SConscript.browser

 # 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.
 
 import os
 import utils
 
 Import('env')
 
 env = env.Clone()
@@ skipping 189 matching lines @@
       ],
       LIBPATH = [
           '$OPEN_DIR/tools/osx'
       ],
   )
 
 # Add in libraries for in-development APIs for non-official builds.
 if not env['OFFICIAL_BUILD']:
   env.Append(LIBS = [
       'jpeg-gears',
-      'portaudio',
       'gd',
   ])
 
   # Except on these platforms.
   if env['OS'] == 'wince':
     env.FilterOut(LIBS = [
       'gd',
       'jpeg-gears',
     ])
 
 if env['OS'] == 'android':
   env.Append(LIBS = [
     'mozjs-gears',
   ])
   env.FilterOut(LIBS = [
     'googleurl-gears',
     'sqlite-gears',
-    'portaudio',
     'png-gears',
     'zlib-gears',
     'jpeg-gears',
     'gd',
   ])
 
 if env['BROWSER'] == 'IE':
   if env['OS'] == 'win32':
     env.Append(
         LIBS = [
@@ skipping 302 matching lines @@
 
 if env['BROWSER'] == 'SF':
   outputs['PROXY_DLL'] = env.ChromeSharedLibrary('gears_proxy',
       GetInputs('$SF_PROXY_DLL_CPPSRCS'))
   outputs['INPUTMANAGER_EXE'] = env.ChromeProgram('GearsEnabler',
       GetInputs('$SF_INPUTMANAGER_CPPSRCS'),
       FRAMEWORKS = env['FRAMEWORKS'] + Split('Foundation AppKit'))
 
 # See main SConscript for how 'outputs' is used.
 Return('outputs')