[content shell] move browser process stuff into browser/ subdir

PRESUBMIT.py

 # Copyright (c) 2012 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.
 
 """Top-level presubmit script for Chromium.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 
@@ skipping 139 matching lines @@
       (),
     ),
     (
       'ScopedAllowIO',
       (
        'New code should not use ScopedAllowIO. Post a task to the blocking',
        'pool or the FILE thread instead.',
       ),
       True,
       (
-        r"^content[\\\/]shell[\\\/]shell_browser_main\.cc$",
+        r"^content[\\\/]shell[\\\/]browser[\\\/]shell_browser_main\.cc$",
+        r"^content[\\\/]shell[\\\/]browser[\\\/]shell_message_filter\.cc$",
         r"^net[\\\/]disk_cache[\\\/]cache_util\.cc$",
       ),
     ),
     (
       'SkRefPtr',
       (
         'The use of SkRefPtr is prohibited. ',
         'Please use skia::RefPtr instead.'
       ),
       True,
@@ skipping 882 matching lines @@
     trybots += ['linux_chromeos_clang:compile', 'linux_chromeos_asan']
 
   # The AOSP bot doesn't build the chrome/ layer, so ignore any changes to it
   # unless they're .gyp(i) files as changes to those files can break the gyp
   # step on that bot.
   if (not all(re.search('^chrome', f) for f in files) or
       any(re.search('\.gypi?$', f) for f in files)):
     trybots += ['android_aosp']
 
   return trybots