Add missing .h files to .gn files that have a .cc file next to it in the gn file already.

cc/blink/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("//cc/cc.gni")
 
 cc_component("blink") {
   output_name = "cc_blink"
 
   sources = [
@@ skipping 35 matching lines @@
     "//ui/gfx/geometry",
   ]
 }
 
 cc_test("cc_blink_unittests") {
   sources = [
     "web_layer_impl_fixed_bounds_unittest.cc",
 
     # Setup.
     "test/cc_blink_test_suite.cc",
+    "test/cc_blink_test_suite.h",
     "test/run_all_unittests.cc",
   ]
 
   deps = [
     ":blink",
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations",
     "//cc",
     "//cc:test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/public:blink",
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
   ]
 }