Add more targets to GN check.

skia/BUILD.gn

Index: skia/BUILD.gn
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index c793e0b9e5c010d1c7ccc4438a8fef473ac4401b..b134de98f4b81a575fb9badcf8c174f885d80601 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -311,6 +311,9 @@ component("skia") {
   sources += gypi_skia_utils.sources
   sources += gypi_values.skia_library_sources
 
+  # This and skia_opts are really the same conceptual target so share headers.
+  allow_circular_includes_from = [ ":skia_opts" ]
+
   if (cpu_arch == "arm") {
     sources += [
       "//third_party/skia/src/core/SkUtilsArm.cpp",
@@ -624,6 +627,7 @@ test("skia_unittests") {
     ":skia",
     "//base",
     "//base/test:run_all_unittests",
+    "//cc:test_support",

[Dirk Pranke, 2015/02/20 00:40:12]

This seems a bit odd; skia depends on cc ?

[brettw, 2015/02/20 00:53:43]

Yes, the pixel_ref_utils_unittest uses some helper functions. I'll add a TODO.

     "//testing/gtest",
     "//ui/gfx",
     "//ui/gfx/geometry",