Add browsertest for Flash permission prompt

chrome/browser/permissions/permissions_browsertest.h

+// 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.
+
+#ifndef CHROME_BROWSER_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_
+#define CHROME_BROWSER_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_
+
+#include <string>
+
+#include "chrome/test/base/in_process_browser_test.h"
+
+namespace content {
+class WebContents;
+}  // namespace content
+
+class MockPermissionPromptFactory;
+
+// This is a base class for end-to-end testing of features that have
+// permissions. It will navigate to the URL passed in upon construction, ready
+// to execute javascript to test the permissions. There are also a set of common
+// test functions that are provided (see the functions with the Common* prefix).
+// These should be called to ensure basic test coverage of the feature's
+// permission that is being added. Custom tests can also be added for the
+// permission. For an example of how to use this base class, see
+// FlashPermissionBrowserTest.
+class PermissionsBrowserTest : public InProcessBrowserTest {
+ public:
+  explicit PermissionsBrowserTest(const std::string& test_url);
+  ~PermissionsBrowserTest() override;
+
+  // InProcessBrowserTest
+  void SetUpOnMainThread() override;
+  void TearDownOnMainThread() override;
+
+  virtual void TriggerPrompt() = 0;
+  virtual bool FeatureUsageSucceeds() = 0;
+
+  std::string test_url() const { return test_url_; }
+
+  MockPermissionPromptFactory* prompt_factory() {
+    return prompt_factory_.get();
+  }
+
+ protected:
+  bool RunScriptReturnBool(const std::string& script);
+
+  content::WebContents* GetWebContents();
+
+  // Common tests that should be called by subclasses.
+  void CommonFailsBeforeRequesting();
+  void CommonFailsIfDismissed();
+  void CommonFailsIfBlocked();
+  void CommonSucceedsIfAllowed();
+
+ private:
+  std::string test_url_;
+  std::unique_ptr<MockPermissionPromptFactory> prompt_factory_;
+};
+
+#endif  // CHROME_BROWSER_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_