[Chromecast] Enable browser media tests to work on internal builds

chromecast/browser/test/chromecast_browser_test_helper_default.cc

+// 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 "chromecast/browser/test/chromecast_browser_test_helper.h"
+
+#include "base/memory/ptr_util.h"
+#include "chromecast/browser/cast_browser_context.h"
+#include "chromecast/browser/cast_browser_process.h"
+#include "chromecast/browser/cast_content_window.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/test_navigation_observer.h"
+
+namespace chromecast {
+namespace shell {
+namespace {
+
+class DefaultHelper : public ChromecastBrowserTestHelper {
+ public:
+  ~DefaultHelper() override {}
+
+  content::WebContents* NavigateToURL(const GURL& url) override {
+    window_.reset(new CastContentWindow);
+    gfx::Size initial_size(1280, 720);
+
+    web_contents_ = window_->CreateWebContents(
+        initial_size, CastBrowserProcess::GetInstance()->browser_context());
+    window_->CreateWindowTree(initial_size, web_contents_.get());
+
+    content::WaitForLoadStop(web_contents_.get());
+    content::TestNavigationObserver same_tab_observer(web_contents_.get(), 1);
+    content::NavigationController::LoadURLParams params(url);
+    params.transition_type = ui::PageTransitionFromInt(
+        ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR);
+    web_contents_->GetController().LoadURLWithParams(params);
+    same_tab_observer.Wait();
+
+    return web_contents_.get();
+  }
+
+ private:
+  std::unique_ptr<CastContentWindow> window_;
+  std::unique_ptr<content::WebContents> web_contents_;
+};
+
+}  // namespace
+
+std::unique_ptr<ChromecastBrowserTestHelper>
+ChromecastBrowserTestHelper::Create() {
+  return base::WrapUnique(new DefaultHelper());
+}
+
+}  // namespace shell
+}  // namespace chromecast