headless: Initial headless embedder API implementation

headless/lib/headless_web_contents_browsertest.cc

Index: headless/lib/headless_web_contents_browsertest.cc
diff --git a/headless/lib/headless_web_contents_browsertest.cc b/headless/lib/headless_web_contents_browsertest.cc
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+// Copyright 2016 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 "base/run_loop.h"
+#include "content/public/test/browser_test.h"
+#include "headless/public/headless_browser.h"
+#include "headless/public/headless_web_contents.h"
+#include "headless/test/headless_browser_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/size.h"
+#include "url/gurl.h"
+
+namespace headless {
+
+class HeadlessWebContentsTest : public HeadlessBrowserTest {};
+
+class WaitForNavigationObserver : public HeadlessWebContents::Observer {
+ public:
+  WaitForNavigationObserver(base::RunLoop* run_loop,
+                            HeadlessWebContents* web_contents)
+      : HeadlessWebContents::Observer(web_contents), run_loop_(run_loop) {}
+
+  void DocumentOnLoadCompletedInMainFrame() override { run_loop_->Quit(); }
+
+ private:
+  base::RunLoop* run_loop_;
+
+  DISALLOW_COPY_AND_ASSIGN(WaitForNavigationObserver);
+};
+
+IN_PROC_BROWSER_TEST_F(HeadlessWebContentsTest, Navigation) {
+  ASSERT_TRUE(embedded_test_server()->Start());
+  scoped_ptr<HeadlessWebContents> web_contents =
+      browser()->CreateWebContents({800, 600});
+
+  base::RunLoop run_loop;
+  base::MessageLoop::ScopedNestableTaskAllower nestable_allower(
+      base::MessageLoop::current());
+  WaitForNavigationObserver observer(&run_loop, web_contents.get());
+
+  web_contents->OpenURL(embedded_test_server()->GetURL("/hello.html"));
+  run_loop.Run();
+}
+
+}  // namespace headless