Add GN isolate support for a bunch of unittests.

cc/BUILD.gn

 # 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.
 
 import("//testing/test.gni")
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
@@ skipping 678 matching lines @@
     "//ui/gfx:test_support",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (!is_android) {  # TODO(GYP) Enable on Android when osmesa links.
     deps += [ "//third_party/mesa:osmesa" ]
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("cc_unittests_run") {
+  testonly = true
+  deps = [
+    ":cc_unittests",
+  ]
+}
+
 test("cc_unittests") {
   sources = [
     "animation/animation_host_unittest.cc",
     "animation/animation_player_unittest.cc",
     "animation/animation_timeline_unittest.cc",
     "animation/animation_unittest.cc",
     "animation/element_animations_unittest.cc",
     "animation/keyframed_animation_curve_unittest.cc",
     "animation/layer_animation_controller_unittest.cc",
     "animation/scroll_offset_animation_curve_unittest.cc",
@@ skipping 119 matching lines @@
     "surfaces/surface_aggregator_test_helpers.h",
     "surfaces/surface_aggregator_unittest.cc",
     "surfaces/surface_unittest.cc",
     "surfaces/surfaces_pixeltest.cc",
 
     # Setup.
     "test/cc_test_suite.cc",
     "test/run_all_unittests.cc",
   ]
 
+  data = [
+    "test/data/",
+  ]
+
   deps = [
     ":cc",
     ":test_support",
     "//base/test:test_support",
     "//cc/surfaces",
     "//cc/surfaces:surface_id",
     "//gpu",
     "//gpu:test_support",
     "//gpu/command_buffer/client:gles2_interface",
     "//gpu/command_buffer/common:gles2_utils",
     "//media",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/events:events_base",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gfx:test_support",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
+
+  data_deps = [ "//third_party/mesa:osmesa" ]
 }
 
 test("cc_perftests") {
   sources = [
     "layers/layer_perftest.cc",
     "layers/picture_layer_impl_perftest.cc",
     "playback/picture_pile_impl_perftest.cc",
     "quads/draw_quad_perftest.cc",
     "raster/task_graph_runner_perftest.cc",
     "raster/texture_compressor_perftest.cc",
@@ skipping 28 matching lines @@
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (is_android) {
     isolate_file = "cc_perftests.isolate"
   }
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the cc_unittests_run target in cc_tests.gyp.