skia: Add 'skia_unittests' test suite for this directory.

skia/skia_tests.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.
+
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+  'targets': [
+    {
+      'target_name': 'skia_unittests',
+      'type': '<(gtest_target_type)',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../base/base.gyp:run_all_unittests',
+        '../testing/gtest.gyp:gtest',
+        '../skia/skia.gyp:skia',
+        '../ui/gfx/gfx.gyp:gfx',
+        '../ui/gfx/gfx.gyp:gfx_geometry',
+      ],
+      'sources': [
+        'ext/analysis_canvas_unittest.cc',
+        'ext/bitmap_platform_device_mac_unittest.cc',
+        'ext/convolver_unittest.cc',
+        'ext/image_operations_unittest.cc',
+        'ext/pixel_ref_utils_unittest.cc',
+        'ext/platform_canvas_unittest.cc',
+        'ext/recursive_gaussian_convolution_unittest.cc',
+        'ext/refptr_unittest.cc',
+        'ext/skia_utils_ios_unittest.mm',
+        'ext/skia_utils_mac_unittest.mm',
+        'ext/vector_canvas_unittest.cc',
+      ],
+      'conditions': [
+        ['OS != "win"', {
+          'sources!': [
+            'ext/vector_canvas_unittest.cc',
+          ],
+        }],
+        ['OS != "win" and OS != "mac"', {
+          'sources!': [
+            'ext/platform_canvas_unittest.cc',
+          ],
+        }],
+      ],
+    },
+  ],
+}