Make reftests work for sky.

sky/tools/tester/test_runner.cc

 // 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.
 
 #include "sky/tools/tester/test_runner.h"
 
 #include <iostream>
 #include "base/bind.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/cpp/application/service_provider_impl.h"
 #include "mojo/services/view_manager/public/cpp/view.h"
 
 namespace sky {
 namespace tester {
 
 TestRunnerClient::~TestRunnerClient() {
 }
 
 TestRunner::TestRunner(TestRunnerClient* client, mojo::View* container,
-    const std::string& url)
+    const std::string& url, bool enable_pixel_dumping)
     : test_harness_factory_(this),
       client_(client),
-      weak_ptr_factory_(this) {
+      weak_ptr_factory_(this),
+      enable_pixel_dumping_(enable_pixel_dumping) {
   CHECK(client);
 
   scoped_ptr<mojo::ServiceProviderImpl> exported_services(
     new mojo::ServiceProviderImpl());
   exported_services->AddService(&test_harness_factory_);
 
   container->Embed(url, exported_services.Pass());
 }
 
 TestRunner::~TestRunner() {
 }
 
 base::WeakPtr<TestRunner> TestRunner::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 void TestRunner::OnTestStart() {
   std::cout << "#BEGIN\n";
   std::cout.flush();
 }
 
-void TestRunner::OnTestComplete(const std::string& test_result) {
+void TestRunner::OnTestComplete(const std::string& test_result,
+    const mojo::Array<uint8_t>& pixels) {
   std::cout << "Content-Type: text/plain\n";
   std::cout << test_result << "\n";
   std::cout << "#EOF\n";
+
+  // TODO(ojan): Don't generate the pixels if enable_pixel_dumping_ is false.
+  if (enable_pixel_dumping_) {
+    // TODO(ojan): Add real hashes here once we want to do pixel tests.
+    std::cout << "\nActualHash: FAKEHASHSTUB\n";
+    std::cout << "Content-Type: image/png\n";
+    std::cout << "Content-Length: " << pixels.size() << "\n";
+    std::cout.write(
+        reinterpret_cast<const char*>(&pixels[0]), pixels.size());
+  }
+
   std::cout << "#EOF\n";
   std::cout.flush();
   std::cerr << "#EOF\n";
   std::cerr.flush();
 
   client_->OnTestComplete();
 }
 
 }  // namespace tester
 }  // namespace sky