Remove mojo/shell and (most) service implementations

mojo/mojo_base.gyp

 # 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.
 
 # Essential components (and their tests) that are needed to build
 # Chrome should be here.  Other components that are useful only in
 # Mojo land like mojo_shell should be in mojo.gyp.
 {
   'includes': [
     'mojo_variables.gypi',
@@ skipping 198 matching lines @@
         {
           'target_name': 'mojo_jni_headers',
           'type': 'none',
           'dependencies': [
             'mojo_java_set_jni_headers',
           ],
           'sources': [
             'android/javatests/src/org/chromium/mojo/MojoTestCase.java',
             'android/javatests/src/org/chromium/mojo/bindings/ValidationTestUtil.java',
             'android/system/src/org/chromium/mojo/system/impl/CoreImpl.java',
-            'services/native_viewport/android/src/org/chromium/mojo/PlatformViewportAndroid.java',
           ],
           'variables': {
             'jni_gen_package': 'mojo',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
         {
           'target_name': 'libmojo_system_java',
           'type': 'static_library',
           'dependencies': [
@@ skipping 28 matching lines @@
           ],
           'variables': {
             'java_in_dir': '<(DEPTH)/mojo/android/system',
           },
           'includes': [ '../build/java.gypi' ],
         },
       ]
     }]
   ]
 }