Introduce chrome.displaySource API

extensions/browser/api/display_source/display_source_apitest.cc

+// Copyright 2015 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/memory/scoped_ptr.h"
+#include "content/public/test/test_utils.h"
+#include "extensions/browser/api/display_source/display_source_connection_delegate.h"
+#include "extensions/browser/api/display_source/display_source_connection_delegate_factory.h"
+#include "extensions/shell/test/shell_apitest.h"
+
+namespace extensions {
+
+namespace {
+
+SinkInfoPtr CreateSinkInfoPtr(
+    int id,
+    const std::string& name,
+    api::display_source::SinkState state =

[Reilly Grant (use Gerrit), 2015/11/10 18:51:34]

The style guide generally recommends against default arguments and I don't see
any case in this file where the default value is not used.

[Mikhail, 2015/11/11 13:36:04]

Done.

+        api::display_source::SINK_STATE_DISCONNECTED) {
+  SinkInfoPtr ptr(new api::display_source::SinkInfo());
+  ptr->id = id;
+  ptr->name = name;
+  ptr->state = state;
+
+  return ptr;
+}
+
+}  // namespace
+
+class MockDisplaySourceConnectionDelegate
+    : public DisplaySourceConnectionDelegate {
+ public:
+  SinkInfoList last_found_sinks() const override { return sinks_; }
+  const Connection* connection() const override { return nullptr; }
+  void GetAvailableSinks(const SinkInfoListCallback& sinks_callback,
+                         const FailureCallback& failure_callback) override {
+    AddSink(CreateSinkInfoPtr(1, "sink 1"));
+    sinks_callback.Run(sinks_);
+  }
+
+  void RequestAuthentication(int sink_id,
+                             const AuthInfoCallback& auth_info_callback,
+                             const FailureCallback& failure_callback) override {
+    AuthInfo info;
+    info.method = "pbc";
+    auth_info_callback.Run(info);
+  }
+
+  void Connect(int sink_id,
+               const AuthInfo& auth_info,
+               const base::Closure& connected_callback,
+               const FailureCallback& failure_callback) override {}
+
+  void Disconnect(const base::Closure& disconnected_callback,
+                  const FailureCallback& failure_callback) override {}
+
+  void StartWatchingSinks() override {
+    AddSink(CreateSinkInfoPtr(2, "sink 2"));
+  }
+
+  void StopWatchingSinks() override {}
+
+ private:
+  void AddSink(SinkInfoPtr sink) {
+    sinks_.push_back(sink);
+    FOR_EACH_OBSERVER(DisplaySourceConnectionDelegate::Observer, observers_,
+                      OnSinksUpdated(sinks_));
+  }
+
+  SinkInfoList sinks_;
+};
+
+class DisplaySourceApiTest : public ShellApiTest {
+ public:
+  DisplaySourceApiTest() = default;
+
+ private:
+  static scoped_ptr<KeyedService> CreateMockDelegate(
+      content::BrowserContext* profile) {
+    return make_scoped_ptr<KeyedService>(
+        new MockDisplaySourceConnectionDelegate());
+  }
+
+  void SetUpOnMainThread() override {
+    ShellApiTest::SetUpOnMainThread();
+    DisplaySourceConnectionDelegateFactory::GetInstance()->SetTestingFactory(
+        browser_context(), &CreateMockDelegate);
+    content::RunAllPendingInMessageLoop();
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(DisplaySourceApiTest, DisplaySourceExtension) {
+  ASSERT_TRUE(RunAppTest("api_test/display_source/api")) << message_;
+}
+
+}  // namespace extensions