[Media Router] Add Media Router Mojo impl code.

chrome/browser/media/router/media_router_mojo_test.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 "chrome/browser/media/router/media_router_mojo_test.h"
+
+#include "base/run_loop.h"
+
+namespace media_router {
+namespace {
+
+const char kInstanceId[] = "instance123";
+
+template <typename T1, typename T2>
+void ExpectAsyncResultEqual(T1 expected, T2 actual) {
+  EXPECT_EQ(expected, actual);
+}
+
+}  // namespace
+
+MockMojoMediaRouterService::MockMojoMediaRouterService() {
+}
+
+MockMojoMediaRouterService::~MockMojoMediaRouterService() {
+}
+
+MediaRouterMojoTest::MediaRouterMojoTest()
+    : message_loop_(mojo::common::MessagePumpMojo::Create()),
+      observer_impl_(nullptr) {
+}
+
+MediaRouterMojoTest::~MediaRouterMojoTest() {
+}
+
+void MediaRouterMojoTest::ConnectProviderManagerService() {
+  interfaces::MediaRouterPtr mrpm_host_proxy;
+
+  observer_impl_->instance_id_ = kInstanceId;
+
+  // Bind the API impl under test to service_proxy.
+  auto request = mojo::GetProxy(&observer_proxy_);
+  observer_impl_->BindToMojoRequest(request.Pass());
+  // Bind the mock delegate to a proxy.
+  binding.reset(new mojo::Binding<interfaces::MediaRouter>(
+      &mock_mrpm_host_, mojo::GetProxy(&mrpm_host_proxy)));
+  observer_proxy_->ProvideMediaRouter(
+      mrpm_host_proxy.Pass(),
+      base::Bind(&ExpectAsyncResultEqual<std::string, mojo::String>,
+                 kInstanceId));
+}
+
+void MediaRouterMojoTest::SetUp() {
+  extension_id_ = "ext-123";
+
+  observer_impl_.reset(
+      new MediaRouterMojoImpl(extension_id_, &mock_event_page_tracker_));
+
+  ON_CALL(mock_event_page_tracker_, IsEventPageSuspended(extension_id_))
+      .WillByDefault(testing::Return(false));
+
+  ConnectProviderManagerService();
+
+  message_loop_.RunUntilIdle();
+}
+
+void MediaRouterMojoTest::ProcessEventLoop() {
+  base::RunLoop().RunUntilIdle();
+}
+
+}  // namespace media_router