Add brotli content-encoding filter.

components/cronet.gypi

 # Copyright 2014 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.
 
 {
   'conditions': [
     ['OS=="android"', {
       # TODO(mef): Figure out what needs to be done for gn script.
       'targets': [
         {
@@ skipping 139 matching lines @@
         },
         {
           # cronet_static_small target has reduced binary size through using
           # ICU alternatives which requires file and ftp support be disabled.
           'target_name': 'cronet_static_small',
           'type': 'static_library',
           'defines': [
             'USE_ICU_ALTERNATIVES_ON_ANDROID=1',
             'DISABLE_FILE_SUPPORT=1',
             'DISABLE_FTP_SUPPORT=1',
+            'DISABLE_BROTLI_SUPPORT=1',

[Ryan Sleevi, 2015/12/17 01:04:40]

Why is this done just for this target?

[eustas, 2015/12/17 16:44:54]

Probably I have missed something...
What other targets should exclude brotli support?

brotli support is disabled for cronet_static_small to avoid overhead brought by
brotli decoder (~150kb of code/data).

           ],
           'dependencies': [
             '../net/net.gyp:net_small',
             '../url/url.gyp:url_lib_use_icu_alternatives_on_android',
           ],
           'conditions': [
             ['enable_data_reduction_proxy_support==1',
               {
                 'dependencies': [
                   '../components/components.gyp:data_reduction_proxy_core_browser_small',
@@ skipping 454 matching lines @@
             },
           ],
         },
       ],
       'variables': {
         'enable_data_reduction_proxy_support%': 0,
       },
     }],  # OS=="android"
   ],
 }