Use vulkan in cc filters tests on X11

Add enum option for Skia Vulkan, and enable filters pixeltests that are
passing on X11 with vulkan Swiftshader.

Bug: 963446
Change-Id: I31541555ef0123a3dd894180898d251720b807fa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1641382
Reviewed-by: Saman Sami <samans@chromium.org>
Commit-Queue: Sean Gilhuly <sgilhuly@chromium.org>
Cr-Commit-Position: refs/heads/master@{#665928}

diff --git a/cc/BUILD.gn b/cc/BUILD.gn
index 1aff6061..97de94d 100644
--- a/cc/BUILD.gn
+++ b/cc/BUILD.gn

@@ -769,6 +769,20 @@
   data_deps = [
     "//third_party/mesa_headers",
   ]
+
+  if (enable_vulkan) {
+    deps += [
+      "//gpu/vulkan:test_support",
+      "//gpu/vulkan/init",
+    ]
+  }
+
+  # TODO(samans): Support more configurations.
+  # CFI issue: https://crbug.com/967819
+  # x86 issue: https://crbug.com/967831
+  if (use_x11 && target_cpu != "x86" && !is_cfi) {
+    defines = [ "ENABLE_CC_VULKAN_TESTS" ]
+  }
 }
 
 cc_test("cc_perftests") {