Cleanup webview app_shell_browsertests and add webview media permission tests in app_shell_browsert…

extensions/browser/guest_view/web_view/web_view_media_access_apitest.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 "base/strings/stringprintf.h"
+#include "content/public/browser/web_contents_delegate.h"
+#include "content/public/test/browser_test_utils.h"
+#include "extensions/browser/guest_view/web_view/web_view_apitest.h"
+#include "extensions/test/extension_test_message_listener.h"
+
+namespace {
+
+// This class intercepts media access request from the embedder. The request
+// should be triggered only if the embedder API (from tests) allows the request
+// in Javascript.
+// We do not issue the actual media request; the fact that the request reached
+// embedder's WebContents is good enough for our tests. This is also to make
+// the test run successfully on trybots.
+class MockWebContentsDelegate : public content::WebContentsDelegate {
+ public:
+  MockWebContentsDelegate() : requested_(false), checked_(false) {}
+  virtual ~MockWebContentsDelegate() {}
+
+  virtual void RequestMediaAccessPermission(
+      content::WebContents* web_contents,
+      const content::MediaStreamRequest& request,
+      const content::MediaResponseCallback& callback) override {
+    requested_ = true;
+    if (request_message_loop_runner_.get())
+      request_message_loop_runner_->Quit();
+  }
+
+  virtual bool CheckMediaAccessPermission(
+      content::WebContents* web_contents,
+      const GURL& security_origin,
+      content::MediaStreamType type) override {
+    checked_ = true;
+    if (check_message_loop_runner_.get())
+      check_message_loop_runner_->Quit();
+    return true;
+  }
+
+  void WaitForRequestMediaPermission() {
+    if (requested_)
+      return;
+    request_message_loop_runner_ = new content::MessageLoopRunner;
+    request_message_loop_runner_->Run();
+  }
+
+  void WaitForCheckMediaPermission() {
+    if (checked_)
+      return;
+    check_message_loop_runner_ = new content::MessageLoopRunner;
+    check_message_loop_runner_->Run();
+  }
+
+ private:
+  bool requested_;
+  bool checked_;
+  scoped_refptr<content::MessageLoopRunner> request_message_loop_runner_;
+  scoped_refptr<content::MessageLoopRunner> check_message_loop_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockWebContentsDelegate);
+};
+
+}  // namespace
+
+namespace extensions {
+
+class WebViewMediaAccessAPITest : public WebViewAPITest {
+ protected:
+  WebViewMediaAccessAPITest() {}
+
+  // Runs media_access tests.
+  void RunTest(const std::string& test_name) {
+    ExtensionTestMessageListener test_run_listener("TEST_PASSED", false);
+    test_run_listener.set_failure_message("TEST_FAILED");
+    EXPECT_TRUE(content::ExecuteScript(
+        embedder_web_contents_,
+        base::StringPrintf("runTest('%s');", test_name.c_str())));
+    ASSERT_TRUE(test_run_listener.WaitUntilSatisfied());
+  }
+
+  // content::BrowserTestBase implementation
+  virtual void SetUpOnMainThread() override {
+    WebViewAPITest::SetUpOnMainThread();
+    StartTestServer();
+  }
+
+  virtual void TearDownOnMainThread() override {
+    WebViewAPITest::TearDownOnMainThread();
+    StopTestServer();
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestAllow) {
+  LaunchApp("web_view/media_access/allow");
+  scoped_ptr<MockWebContentsDelegate> mock(new MockWebContentsDelegate());
+  embedder_web_contents_->SetDelegate(mock.get());
+
+  RunTest("testAllow");
+
+  mock->WaitForRequestMediaPermission();
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestAllowAndThenDeny) {
+  LaunchApp("web_view/media_access/allow");
+  scoped_ptr<MockWebContentsDelegate> mock(new MockWebContentsDelegate());
+  embedder_web_contents_->SetDelegate(mock.get());
+
+  RunTest("testAllowAndThenDeny");
+
+  mock->WaitForRequestMediaPermission();
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestAllowAsync) {
+  LaunchApp("web_view/media_access/allow");
+  scoped_ptr<MockWebContentsDelegate> mock(new MockWebContentsDelegate());
+  embedder_web_contents_->SetDelegate(mock.get());
+
+  RunTest("testAllowAsync");
+
+  mock->WaitForRequestMediaPermission();
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestAllowTwice) {
+  LaunchApp("web_view/media_access/allow");
+  scoped_ptr<MockWebContentsDelegate> mock(new MockWebContentsDelegate());
+  embedder_web_contents_->SetDelegate(mock.get());
+
+  RunTest("testAllowTwice");
+
+  mock->WaitForRequestMediaPermission();
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestCheck) {
+  LaunchApp("web_view/media_access/check");
+  scoped_ptr<MockWebContentsDelegate> mock(new MockWebContentsDelegate());
+  embedder_web_contents_->SetDelegate(mock.get());
+
+  RunTest("testCheck");
+
+  mock->WaitForCheckMediaPermission();
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestDeny) {
+  LaunchApp("web_view/media_access/deny");
+  RunTest("testDeny");
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestDenyThenAllowThrows) {
+  LaunchApp("web_view/media_access/deny");
+  RunTest("testDenyThenAllowThrows");
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestDenyWithPreventDefault) {
+  LaunchApp("web_view/media_access/deny");
+  RunTest("testDenyWithPreventDefault");
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest, TestNoListenersImplyDeny) {
+  LaunchApp("web_view/media_access/deny");
+  RunTest("testNoListenersImplyDeny");
+}
+
+IN_PROC_BROWSER_TEST_F(WebViewMediaAccessAPITest,
+                       TestNoPreventDefaultImpliesDeny) {
+  LaunchApp("web_view/media_access/deny");
+  RunTest("testNoPreventDefaultImpliesDeny");
+}
+
+}  // namespace extensions