Adding third_party/openh264/src, build files and unittests

content/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build_overrides/v8.gni")
 import("//media/media_options.gni")
@@ skipping 729 matching lines @@
       "//ui/ozone:ozone_base",
     ]
   } else {
     sources -=
         [ "../browser/compositor/software_output_device_ozone_unittest.cc" ]
   }
 
   if (is_mac && use_openssl) {
     deps += [ "//third_party/boringssl" ]
   }
+
+  if (use_openh264) {
+    sources += [ "../browser/media/openh264_unittests.cc" ]
+    deps += [ "//third_party/openh264/testing:openh264_testing" ]
+  }
 }
 
 test("content_perftests") {
   sources = [
     "../browser/renderer_host/input/input_router_impl_perftest.cc",
     "../common/cc_messages_perftest.cc",
     "../test/run_all_perftests.cc",
   ]
   deps = [
     "//base/allocator",
@@ skipping 74 matching lines @@
     "//gpu/blink",
     "//testing/gtest",
     "//third_party/WebKit/public:blink",
     "//ui/base",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 }