Simplify devtools code on android and enable devtools for android content_shell.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 96 matching lines @@
         'browser/accessibility/invert_bubble_prefs.cc',
         'browser/accessibility/invert_bubble_prefs.h',
         'browser/alternate_nav_url_fetcher.cc',
         'browser/alternate_nav_url_fetcher.h',
         'browser/android/android_protocol_adapter.cc',
         'browser/android/android_protocol_adapter.h',
         'browser/android/android_stream_reader_url_request_job.cc',
         'browser/android/android_stream_reader_url_request_job.h',
         'browser/android/chrome_startup_flags.cc',
         'browser/android/chrome_startup_flags.h',
+        'browser/android/devtools_server.cc',
+        'browser/android/devtools_server.h',
         'browser/android/intent_helper.cc',
         'browser/android/intent_helper.h',
         'browser/android/process_utils.cc',
         'browser/android/process_utils.h',
         'browser/android/tab_android.cc',
         'browser/android/tab_android.h',
         'browser/app_controller_mac.h',
         'browser/app_controller_mac.mm',
         'browser/app_icon_win.cc',
         'browser/app_icon_win.h',
@@ skipping 5390 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }