[inspector] added inspector test runner [part 1]

test/inspector/inspector.gyp

+# Copyright 2016 the V8 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.
+
+{
+  'variables': {
+    'v8_code': 1,
+    'inspector_protocol_sources': [
+      'task-runner.cc',
+      'task-runner.h',
+    ],
+  },
+  'includes': ['../../gypfiles/toolchain.gypi', '../../gypfiles/features.gypi'],
+  'targets': [
+    {
+      'target_name': 'inspector-test',
+      'type': 'executable',
+      'dependencies': [
+        '../../src/v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'sources': [
+        '<@(inspector_protocol_sources)',
+      ],
+      'conditions': [
+        ['component=="shared_library"', {
+          # inspector-test can't be built against a shared library, so we
+          # need to depend on the underlying static target in that case.
+          'dependencies': ['../../src/v8.gyp:v8_maybe_snapshot'],
+        }, {
+          'dependencies': ['../../src/v8.gyp:v8'],
+        }],
+      ],
+    },
+  ],
+}