Introduce rtc::ArrayView<T>, which keeps track of an array that it doesn't own

webrtc/base/base_tests.gyp

 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 {
   'includes': [ '../build/common.gypi', ],
   'targets': [
@@ skipping 27 matching lines @@
       },
       'export_dependent_settings': [
         '<(DEPTH)/testing/gtest.gyp:gtest',
       ],
     },
     {
       'target_name': 'rtc_base_tests',
       'type': 'none',
       'direct_dependent_settings': {
         'sources': [
+          'array_view_unittest.cc',
           'atomicops_unittest.cc',
           'autodetectproxy_unittest.cc',
           'bandwidthsmoother_unittest.cc',
           'base64_unittest.cc',
           'basictypes_unittest.cc',
           'bind_unittest.cc',
           'bitbuffer_unittest.cc',
           'buffer_unittest.cc',
           'bufferqueue_unittest.cc',
           'bytebuffer_unittest.cc',
@@ skipping 98 matching lines @@
           ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
             'defines': [
               'CARBON_DEPRECATED=YES',
             ],
           }],
         ],  # conditions
       },
     },
   ],
 }