Add a sketch of a test_perf script

sky/tools/tester/tester.cc

Index: sky/tools/tester/tester.cc
diff --git a/sky/tools/tester/tester.cc b/sky/tools/tester/tester.cc
index fd1f4ff45c2dfeb6ee3345ab1c59d23e6437b03e..57815c6fb4ff234a92e4ada01c60b163b65f4cad 100644
--- a/sky/tools/tester/tester.cc
+++ b/sky/tools/tester/tester.cc
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <iostream>
+#include "base/bind.h"
+#include "base/memory/weak_ptr.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
@@ -14,27 +17,41 @@
 #include "mojo/services/public/interfaces/input_events/input_events.mojom.h"
 #include "mojo/services/window_manager/window_manager_app.h"
 #include "mojo/services/window_manager/window_manager_delegate.h"
-#include "sky/tools/tester/test_harness.h"
+#include "sky/tools/tester/test_runner.h"
 
 namespace sky {
 namespace tester {
+namespace {
+
+std::string WaitForURL() {
+  std::string url;
+  std::cin >> url;
+  return url;
+}
+
+}  // namespace
 
 class SkyTester : public mojo::ApplicationDelegate,
                   public mojo::ViewManagerDelegate,
                   public mojo::WindowManagerDelegate,
-                  public mojo::ViewObserver {
+                  public mojo::ViewObserver,
+                  public TestRunnerClient {
  public:
   SkyTester()
       : window_manager_app_(new mojo::WindowManagerApp(this, this)),
         view_manager_(NULL),
         root_(NULL),
-        content_(NULL) {}
+        content_(NULL),
+        weak_ptr_factory_(this) {}
   virtual ~SkyTester() {}
 
  private:
   // Overridden from mojo::ApplicationDelegate:
   virtual void Initialize(mojo::ApplicationImpl* impl) override {
     window_manager_app_->Initialize(impl);
+
+    if (impl->args().size() >= 2)
+      url_from_args_ = impl->args()[1];
   }
   virtual bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override {
@@ -56,8 +73,9 @@ class SkyTester : public mojo::ApplicationDelegate,
     content_->SetBounds(root_->bounds());
     root_->AddChild(content_);
 
-    test_harness_.reset(new TestHarness(content_));
-    test_harness_->ScheduleRun();
+    std::cout << "#READY\n";
+    std::cout.flush();
+    ScheduleRun();
   }
 
   // Overridden from WindowManagerDelegate:
@@ -82,12 +100,35 @@ class SkyTester : public mojo::ApplicationDelegate,
     content_->SetBounds(new_bounds);
   }
 
+  void ScheduleRun() {
+    base::MessageLoop::current()->PostTask(FROM_HERE,
+        base::Bind(&SkyTester::Run, weak_ptr_factory_.GetWeakPtr()));
+  }
+
+  void Run() {
+    DCHECK(!test_runner_);
+    std::string url = url_from_args_.length() ? url_from_args_ : WaitForURL();
+    test_runner_.reset(new TestRunner(this, content_, url));
+  }
+
+  void OnTestComplete() override {
+    test_runner_.reset();
+    if (url_from_args_.length())
+      exit(0);
+    ScheduleRun();
+  }
+
   scoped_ptr<mojo::WindowManagerApp> window_manager_app_;
 
+  std::string url_from_args_;
+
   mojo::ViewManager* view_manager_;
   mojo::View* root_;
   mojo::View* content_;
-  scoped_ptr<TestHarness> test_harness_;
+
+  scoped_ptr<TestRunner> test_runner_;
+
+  base::WeakPtrFactory<SkyTester> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SkyTester);
 };