Merge base unit tests into src to be in line with Chrome.

src/base/base.gyp

 # Copyright 2014 the V8 project authors. All rights reserved.

[tfarina, 2014/08/29 15:05:37]

could you name this gyp file base_tests.gyp?

For similar files in Chromium, see cc/cc_tests.gyp, ui/base/ui_base_tests.gyp,
ui/gfx/gfx_tests.gyp among others.

 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'v8_code': 1,
   },
   'includes': ['../../build/toolchain.gypi', '../../build/features.gypi'],
   'targets': [
     {
@@ skipping 24 matching lines @@
           # TODO(svenpanne): This is a temporary work-around to fix the warnings
           # that show up because we use -std=gnu++0x instead of -std=c++11.
           'cflags!': [
             '-pedantic',
           ],
         }],
       ],
     },
   ],
 }