Add GPU integration pixel tests for VP9 and MP4 video.

chrome/test/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("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 276 matching lines @@
     "//content/test/data/media/depth_stream_test_utilities.js",
     "//content/test/data/media/getusermedia-depth-capture.html",
     "//content/test/data/media/webrtc_test_utilities.js",
 
     # For GpuProcess.video
     "//content/test/data/media/bear.ogv",
 
     # For webgl_conformance
     "//third_party/webgl/",
     "//content/test/gpu/run_gpu_integration_test.py",
+
+    # For pixel_test
+    "//media/test/data/bear.mp4",
+    "//media/test/data/bear-vp9.webm",
   ]
 }
 
 if (!is_android) {
   static_library("test_support_ui") {
     defines = []
     testonly = true
 
     sources = [
       "../browser/permissions/permission_request_manager_test_api.cc",
@@ skipping 4913 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }